diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1939712..9febe5fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,7 +93,7 @@ message(STATUS "Using bundled nlohmann-json in '${NJSON_SRC}'")
 set(NJSON_INCLUDE "${NJSON_SRC}/single_include")
 ExternalProject_Add(
   njson
-  URL "https://s3.amazonaws.com/download.draios.com/dependencies/njson-3.3.0.tar.gz"
+  URL "https://github.com/nlohmann/json/archive/v3.3.0.tar.gz"
   URL_HASH "SHA256=2fd1d207b4669a7843296c41d3b6ac5b23d00dec48dba507ba051d14564aa801"
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
diff --git a/cmake/modules/OpenSSL.cmake b/cmake/modules/OpenSSL.cmake
index 95168839..984d9dcf 100644
--- a/cmake/modules/OpenSSL.cmake
+++ b/cmake/modules/OpenSSL.cmake
@@ -32,8 +32,8 @@ else()
   ExternalProject_Add(
     openssl
     # START CHANGE for CVE-2017-3735, CVE-2017-3731, CVE-2017-3737, CVE-2017-3738, CVE-2017-3736
-    URL "https://s3.amazonaws.com/download.draios.com/dependencies/openssl-1.0.2n.tar.gz"
-    URL_HASH "SHA256=370babb75f278c39e0c50e8c4e7493bc0f18db6867478341a832a982fd15a8fe"
+    URL "https://github.com/openssl/openssl/archive/OpenSSL_1_0_2n.tar.gz"
+    URL_HASH "SHA256=4f4bc907caff1fee6ff8593729e5729891adcee412049153a3bb4db7625e8364"
     # END CHANGE for CVE-2017-3735, CVE-2017-3731, CVE-2017-3737, CVE-2017-3738, CVE-2017-3736
     CONFIGURE_COMMAND ./config shared --prefix=${OPENSSL_INSTALL_DIR}
     BUILD_COMMAND ${CMD_MAKE}
diff --git a/cmake/modules/cURL.cmake b/cmake/modules/cURL.cmake
index 034ad2f7..569e74c0 100644
--- a/cmake/modules/cURL.cmake
+++ b/cmake/modules/cURL.cmake
@@ -31,7 +31,7 @@ else()
     curl
     DEPENDS openssl
     # START CHANGE for CVE-2017-8816, CVE-2017-8817, CVE-2017-8818, CVE-2018-1000007
-    URL "https://s3.amazonaws.com/download.draios.com/dependencies/curl-7.61.0.tar.bz2"
+    URL "https://github.com/curl/curl/releases/download/curl-7_61_0/curl-7.61.0.tar.bz2"
     URL_HASH "SHA256=5f6f336921cf5b84de56afbd08dfb70adeef2303751ffb3e570c936c6d656c9c"
     # END CHANGE for CVE-2017-8816, CVE-2017-8817, CVE-2017-8818, CVE-2018-1000007
     CONFIGURE_COMMAND