diff --git a/pkgs/development/libraries/olm/default.nix b/pkgs/development/libraries/olm/default.nix
index 4fbc34bcce63..ca3a081aee00 100644
--- a/pkgs/development/libraries/olm/default.nix
+++ b/pkgs/development/libraries/olm/default.nix
@@ -1,22 +1,25 @@
-{ lib, stdenv, fetchurl, cmake }:
+{ lib, stdenv, fetchFromGitLab, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "olm";
-  version = "3.2.1";
+  version = "3.2.2";
 
-  src = fetchurl {
-    url = "https://matrix.org/git/olm/-/archive/${version}/${pname}-${version}.tar.gz";
-    sha256 = "0iacbi9iibhzifh1bk6bi5xin557lvqmbf4ccsb8drj50dbxjiyr";
+  src = fetchFromGitLab {
+    domain = "gitlab.matrix.org";
+    owner = "matrix-org";
+    repo = pname;
+    rev = version;
+    sha256 = "0qji25wiwmkxyfpraxj96c54hyayqmjkvwh0gsy5gb5pz5bp4mcy";
   };
 
   nativeBuildInputs = [ cmake ];
 
   doCheck = true;
 
-  meta = {
+  meta = with lib; {
     description = "Implements double cryptographic ratchet and Megolm ratchet";
-    license = lib.licenses.asl20;
     homepage = "https://gitlab.matrix.org/matrix-org/olm";
-    platforms = with lib.platforms; darwin ++ linux;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ tilpner oxzi ];
   };
 }
diff --git a/pkgs/development/python-modules/python-olm/default.nix b/pkgs/development/python-modules/python-olm/default.nix
index b1e01f7f4abf..2a8295a65bf7 100644
--- a/pkgs/development/python-modules/python-olm/default.nix
+++ b/pkgs/development/python-modules/python-olm/default.nix
@@ -1,11 +1,11 @@
-{ lib, buildPythonPackage, olm,
-  cffi, future, isPy3k, typing }:
+{ lib, buildPythonPackage, isPy3k, olm
+, cffi, future, typing }:
 
 buildPythonPackage {
   pname = "python-olm";
   inherit (olm) src version;
 
-  sourceRoot = "${olm.name}/python";
+  sourceRoot = "source/python";
   buildInputs = [ olm ];
 
   preBuild = ''
@@ -17,12 +17,13 @@ buildPythonPackage {
     future
   ] ++ lib.optionals (!isPy3k) [ typing ];
 
+  # Some required libraries for testing are not packaged yet.
   doCheck = false;
+  pythonImportsCheck = [ "olm" ];
 
-  meta = with lib; {
+  meta = {
+    inherit (olm.meta) license maintainers;
     description = "Python bindings for Olm";
     homepage = "https://gitlab.matrix.org/matrix-org/olm/tree/master/python";
-    license = olm.meta.license;
-    maintainers = [ maintainers.tilpner ];
   };
 }