diff --git a/overlays/default.nix b/overlays/default.nix
index 2c63c08..25d756d 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,2 +1,3 @@
 {
+  transmission_4 = import ./downgrade-transmission;
 }
diff --git a/overlays/downgrade-transmission/default.nix b/overlays/downgrade-transmission/default.nix
new file mode 100644
index 0000000..4be2047
--- /dev/null
+++ b/overlays/downgrade-transmission/default.nix
@@ -0,0 +1,12 @@
+self: prev:
+prev.transmission_4.overrideAttrs (_: {
+  version = "4.0.5";
+
+  src = self.fetchFromGitHub {
+    owner = "transmission";
+    repo = "transmission";
+    rev = "4.0.5";
+    hash = "sha256-gd1LGAhMuSyC/19wxkoE2mqVozjGPfupIPGojKY0Hn4=";
+    fetchSubmodules = true;
+  };
+})