diff --git a/pkgs/development/tools/database/timescaledb-tune/default.nix b/pkgs/development/tools/database/timescaledb-tune/default.nix
index 28b0506ff180..195a5b8b18e2 100644
--- a/pkgs/development/tools/database/timescaledb-tune/default.nix
+++ b/pkgs/development/tools/database/timescaledb-tune/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "timescaledb-tune";
-  version = "0.13.0";
+  version = "0.13.1";
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-YZMjgEnZKxmGIO9gK00JXBpBRvNgZoXNA/cNieovT+g=";
+    sha256 = "sha256-sCwMLVp4MCTJ5ZgALDs+of+upYMQeHz3xRk4YD2g23M=";
   };
 
   vendorSha256 = "sha256-n2jrg9FiR/gSrbds/QVV8Duf7BTEs36yYi4F3Ve+d0E=";
diff --git a/pkgs/development/tools/database/timescaledb-tune/fixMinMaxConn.diff b/pkgs/development/tools/database/timescaledb-tune/fixMinMaxConn.diff
deleted file mode 100644
index 3a0110476cce..000000000000
--- a/pkgs/development/tools/database/timescaledb-tune/fixMinMaxConn.diff
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/pkg/pgtune/misc.go b/pkg/pgtune/misc.go
-index 1fceb6e..3e76be5 100644
---- a/pkg/pgtune/misc.go
-+++ b/pkg/pgtune/misc.go
-@@ -35,7 +35,7 @@ const (
- 	// If you want to lower this value, consider that Patroni will not accept anything less than 25 as
- 	// a valid max_connections and will replace it with 100, per
- 	// https://github.com/zalando/patroni/blob/00cc62726d6df25d31f9b0baa082c83cd3f7bef9/patroni/postgresql/config.py#L280
--	minMaxConns = 25
-+	minMaxConns = 20
- )
- 
- // MaxConnectionsDefault is the recommended default value for max_connections.