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..9c9c8ba
--- /dev/null
+++ b/overlays/downgrade-transmission/default.nix
@@ -0,0 +1,13 @@
+self: prev: {
+  tranmission_4 = 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;
+    };
+  });
+}