diff --git a/.gitmodules b/.gitmodules
index 9d8d438..c904635 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,10 +1,13 @@
 [submodule "app/src/main/jni/cryptopp"]
     path = app/src/main/jni/cryptopp
-    url = http://github.com/cawka/cryptopp
+    url = https://github.com/cawka/cryptopp
     branch = android
+[submodule "app/src/main/jni/sqlite3"]
+    path = app/src/main/jni/sqlite3
+    url = https://github.com/cawka/sqlite3-android.git
 [submodule "app/src/main/jni/ndn-cxx"]
     path = app/src/main/jni/ndn-cxx
-    url = ../ndn-cxx
+    url = https://github.com/named-data/ndn-cxx
 [submodule "app/src/main/jni/NFD"]
     path = app/src/main/jni/NFD
-    url = ../NFD
+    url = https://github.com/named-data/NFD