diff --git a/pkgs/os-specific/linux/acpi-call/default.nix b/pkgs/os-specific/linux/acpi-call/default.nix
index f986ed790a1..39842927c9a 100644
--- a/pkgs/os-specific/linux/acpi-call/default.nix
+++ b/pkgs/os-specific/linux/acpi-call/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "acpi-call";
-  version = "1.2.1";
+  version = "1.2.2";
   name = "${pname}-${version}-${kernel.version}";
 
   src = fetchFromGitHub {
     owner = "nix-community";
     repo = "acpi_call";
     rev = "v${version}";
-    sha256 = "0mr4rjbv6fj4phf038addrgv32940bphghw2v9n1z4awvw7wzkbg";
+    sha256 = "1s7h9y3adyfhw7cjldlfmid79lrwz3vqlvziw9nwd6x5qdj4w9vp";
   };
 
   hardeningDisable = [ "pic" ];
diff --git a/pkgs/servers/mautrix-telegram/default.nix b/pkgs/servers/mautrix-telegram/default.nix
index eba429e8cce..bb2549f939f 100644
--- a/pkgs/servers/mautrix-telegram/default.nix
+++ b/pkgs/servers/mautrix-telegram/default.nix
@@ -12,6 +12,13 @@ let
           sha256 = "ffbc4e29eb56089539b408f8e4c12a5d5a5d11d7fe7d40f8c6279784c618b869";
         };
       });
+      telethon = super.telethon.overridePythonAttrs (oldAttrs: rec {
+        version = "1.21.1";
+        src = oldAttrs.src.override {
+          inherit version;
+          sha256 = "sha256-mTyDfvdFrd+XKifXv7oM5Riihj0aUOBzclW3ZNI+DvI=";
+        };
+      });
     };
   };