diff --git a/tests/boost-multi-log-formatter.hpp b/tests/boost-multi-log-formatter.hpp
index 26946f9..c8921a5 100644
--- a/tests/boost-multi-log-formatter.hpp
+++ b/tests/boost-multi-log-formatter.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2018 Regents of the University of California.
+ * Copyright (c) 2014-2019 Regents of the University of California.
  *
  * Based on work by Martin Ba (http://stackoverflow.com/a/26718189)
  *
diff --git a/tests/boost-test.hpp b/tests/boost-test.hpp
index ec1f40f..e3204c4 100644
--- a/tests/boost-test.hpp
+++ b/tests/boost-test.hpp
@@ -1,20 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2018,  The University of Memphis
- *                           Regents of the University of California,
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  *
  * \author Yingdi Yu <yingdi@cs.ucla.edu>
diff --git a/tests/main.cpp b/tests/main.cpp
index 65d5e4c..2b836ad 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2018,  Regents of the University of California,
+ * Copyright (c) 2014-2019,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -12,14 +12,14 @@
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
diff --git a/tests/test-bloom-filter.cpp b/tests/test-bloom-filter.cpp
index 1e634c9..bb7b8e9 100644
--- a/tests/test-bloom-filter.cpp
+++ b/tests/test-bloom-filter.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-consumer.cpp b/tests/test-consumer.cpp
index 96e6e8a..d1e6115 100644
--- a/tests/test-consumer.cpp
+++ b/tests/test-consumer.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-full-producer.cpp b/tests/test-full-producer.cpp
index ca7955b..8190446 100644
--- a/tests/test-full-producer.cpp
+++ b/tests/test-full-producer.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-full-sync.cpp b/tests/test-full-sync.cpp
index c5eeb5e..af7c238 100644
--- a/tests/test-full-sync.cpp
+++ b/tests/test-full-sync.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-iblt.cpp b/tests/test-iblt.cpp
index bb5e8ee..c472a74 100644
--- a/tests/test-iblt.cpp
+++ b/tests/test-iblt.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-partial-producer.cpp b/tests/test-partial-producer.cpp
index 49c5264..aa5df37 100644
--- a/tests/test-partial-producer.cpp
+++ b/tests/test-partial-producer.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-partial-sync.cpp b/tests/test-partial-sync.cpp
index e3c25b0..8938483 100644
--- a/tests/test-partial-sync.cpp
+++ b/tests/test-partial-sync.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-producer-base.cpp b/tests/test-producer-base.cpp
index baa88a6..e775ad8 100644
--- a/tests/test-producer-base.cpp
+++ b/tests/test-producer-base.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-segment-publisher.cpp b/tests/test-segment-publisher.cpp
index 87c27a9..5c175c1 100644
--- a/tests/test-segment-publisher.cpp
+++ b/tests/test-segment-publisher.cpp
@@ -6,14 +6,14 @@
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/test-state.cpp b/tests/test-state.cpp
index cb53bd5..8f76b65 100644
--- a/tests/test-state.cpp
+++ b/tests/test-state.cpp
@@ -1,19 +1,19 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  The University of Memphis
+ * Copyright (c) 2014-2019,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation,
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
diff --git a/tests/unit-test-time-fixture.hpp b/tests/unit-test-time-fixture.hpp
index 36293a8..5831500 100644
--- a/tests/unit-test-time-fixture.hpp
+++ b/tests/unit-test-time-fixture.hpp
@@ -1,19 +1,19 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2018  University of California, Los Angeles
+ * Copyright (c) 2012-2019  University of California, Los Angeles
  *                          The University of Memphis
  *
  * This file is part of PSync.
  *
  * PSync is free software: you can redistribute it and/or modify it under the terms
- * of the GNU General Public License as published by the Free Software Foundation, either
+ * of the GNU Lesser General Public License as published by the Free Software Foundation, either
  * version 3 of the License, or (at your option) any later version.
  *
  * PSync is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
+ * PURPOSE.  See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
+ * You should have received a copy of the GNU Lesser General Public License along with
  * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */