diff --git a/pkgs/development/libraries/tapioca-qt/default.nix b/pkgs/development/libraries/tapioca-qt/default.nix
index 956d4c09873..962a82a8a1a 100644
--- a/pkgs/development/libraries/tapioca-qt/default.nix
+++ b/pkgs/development/libraries/tapioca-qt/default.nix
@@ -1,5 +1,5 @@
 args: with args;
-let rev = "2031"; in
+let rev = "2066"; in
 stdenv.mkDerivation {
 	name = "tapioca-qt-r${rev}";
 	src = fetchsvn {
diff --git a/pkgs/development/libraries/telepathy-qt/default.nix b/pkgs/development/libraries/telepathy-qt/default.nix
index 9c0ea152f4e..6e8e84399d1 100644
--- a/pkgs/development/libraries/telepathy-qt/default.nix
+++ b/pkgs/development/libraries/telepathy-qt/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
 	};
 
 	buildInputs = [cmake];
-	propagatedBuildInputs = [qt];
+	propagatedBuildInputs = [qt stdenv.gcc.libc];
 	meta = {
 		description = "Qt bindings for telepathy";
 	};