diff --git a/third-party/libgit2.spec b/third-party/libgit2.spec
index d449cb2f10..df16af5d9e 100644
--- a/third-party/libgit2.spec
+++ b/third-party/libgit2.spec
@@ -1,8 +1,8 @@
-libgit2_spec_download_url:=https://github.com/libgit2/libgit2/archive/v0.25.1.tar.gz
-libgit2_spec_archive_name:=libgit2-v0.25.1.tar.gz
-libgit2_spec_unpack_dir_name:=libgit2-0.25.1
-libgit2_spec_product_name_macOS:=libgit2.0.25.1.dylib
-libgit2_spec_product_name_linux:=libgit2.so.0.25.1
+libgit2_spec_download_url:=https://github.com/libgit2/libgit2/archive/v0.28.1.tar.gz
+libgit2_spec_archive_name:=libgit2-v0.28.1.tar.gz
+libgit2_spec_unpack_dir_name:=libgit2-0.28.1
+libgit2_spec_product_name_macOS:=libgit2.0.28.1.dylib
+libgit2_spec_product_name_linux:=libgit2.so.0.28.1
 libgit2_spec_product_name_windows:=libgit2.dll
 libgit2_spec_symlinks_macOS:=libgit2*.dylib
 libgit2_spec_symlinks_linux:=libgit2.so*
diff --git a/third-party/libpng.spec b/third-party/libpng.spec
index 94596d88cb..918ce7b372 100644
--- a/third-party/libpng.spec
+++ b/third-party/libpng.spec
@@ -1,6 +1,6 @@
-libpng_spec_download_url:=ftp://ftp-osl.osuosl.org/pub/libpng/src/archive/gz/libpng12/libpng-1.2.49.tar.gz
-libpng_spec_archive_name:=libpng-1.2.49.tar.gz
-libpng_spec_unpack_dir_name:=libpng-1.2.49
+libpng_spec_download_url:=ftp://ftp-osl.osuosl.org/pub/libpng/src/archive/gz/libpng12/libpng-1.6.36.tar.gz
+libpng_spec_archive_name:=libpng-1.6.36.tar.gz
+libpng_spec_unpack_dir_name:=libpng-1.6.36
 libpng_spec_product_name_macOS:=libpng12.0.dylib
 libpng_spec_product_name_linux:=
 libpng_spec_product_name_windows:=libpng12-0.dll
diff --git a/third-party/libssh2.spec b/third-party/libssh2.spec
index 313c4d09a4..32af323ec0 100644
--- a/third-party/libssh2.spec
+++ b/third-party/libssh2.spec
@@ -1,6 +1,6 @@
-libssh2_spec_download_url:=https://www.libssh2.org/download/libssh2-1.7.0.tar.gz		 
-libssh2_spec_archive_name:=libssh2-1.7.0.tar.gz
-libssh2_spec_unpack_dir_name:=libssh2-1.7.0
+libssh2_spec_download_url:=https://www.libssh2.org/download/libssh2-1.8.2.tar.gz
+libssh2_spec_archive_name:=libssh2-1.8.2.tar.gz
+libssh2_spec_unpack_dir_name:=libssh2-1.8.2
 libssh2_spec_product_name_macOS:=libssh2.1.dylib
 libssh2_spec_product_name_linux:=libssh2.so.1.0.1
 libssh2_spec_product_name_windows:=libssh2-1.dll
diff --git a/third-party/openssl.spec b/third-party/openssl.spec
index ff1027b74e..86e835f9b4 100644
--- a/third-party/openssl.spec
+++ b/third-party/openssl.spec
@@ -1,6 +1,6 @@
-openssl_spec_download_url:=https://www.openssl.org/source/openssl-1.0.2q.tar.gz
-openssl_spec_archive_name:=openssl-1.0.2q.tar.gz
-openssl_spec_unpack_dir_name:=openssl-1.0.2q
+openssl_spec_download_url:=https://www.openssl.org/source/openssl-1.0.2r.tar.gz
+openssl_spec_archive_name:=openssl-1.0.2r.tar.gz
+openssl_spec_unpack_dir_name:=openssl-1.0.2r
 openssl_spec_product1_name_macOS:=libssl.1.0.0.dylib
 openssl_spec_product2_name_macOS:=libcrypto.1.0.0.dylib
 openssl_spec_product1_name_linux:=libssl.so.1.0.0