diff --git a/pkgs/applications/networking/cluster/temporal-cli/default.nix b/pkgs/applications/networking/cluster/temporal-cli/default.nix
index 2aa978dfb0a9..fe23809bf5d3 100644
--- a/pkgs/applications/networking/cluster/temporal-cli/default.nix
+++ b/pkgs/applications/networking/cluster/temporal-cli/default.nix
@@ -44,7 +44,7 @@ let
     doCheck = !(stdenv.isDarwin && stdenv.hostPlatform.isx86_64);
 
     preCheck = ''
-      export HOME=$(mktemp -d)
+      export HOME="$(mktemp -d)"
     '';
 
     postInstall = ''
@@ -63,16 +63,16 @@ let
 
   tctl = buildGoModule rec {
     pname = "tctl";
-    version = "1.18.0";
+    version = "1.18.1";
 
     src = fetchFromGitHub {
       owner = "temporalio";
       repo = "tctl";
       rev = "v${version}";
-      hash = "sha256-LcBKkx3mcDOrGT6yJx98CSgxbwskqGPWqOzHWOu6cig=";
+      hash = "sha256-LX4hyPme+mkNmPvrTHIT5Ow3QM8BTAB7MXSY1fa8tSk=";
     };
 
-    vendorHash = "sha256-5wCIY95mJ6+FCln4yBu+fM4ZcsxBGcXkCvxjGzt0+dM=";
+    vendorHash = "sha256-294lnUKnXNrN6fJ+98ub7LwsJ9aT+FzWCB3nryfAlCI=";
 
     inherit overrideModAttrs;
 
@@ -83,7 +83,7 @@ let
     ldflags = [ "-s" "-w" ];
 
     preCheck = ''
-      export HOME=$(mktemp -d)
+      export HOME="$(mktemp -d)"
     '';
 
     postInstall = ''