diff --git a/pkgs/by-name/op/opencode-desktop/package.nix b/pkgs/by-name/op/opencode-desktop/package.nix
index 8f2efe9ed76a..2af9b61a87bb 100644
--- a/pkgs/by-name/op/opencode-desktop/package.nix
+++ b/pkgs/by-name/op/opencode-desktop/package.nix
@@ -67,6 +67,11 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     # isn't patched for Nix. Disable it at source.
     substituteInPlace packages/desktop/src/main/constants.ts \
       --replace-fail 'app.isPackaged && CHANNEL !== "dev"' 'false'
+
+    # Relax Bun version check to be a warning instead of an error
+    substituteInPlace packages/script/src/index.ts \
+      --replace-fail 'throw new Error(`This script requires bun@''${expectedBunVersionRange}' \
+                     'console.warn(`Warning: This script requires bun@''${expectedBunVersionRange}'
   '';
 
   configurePhase = ''
diff --git a/pkgs/by-name/op/opencode/package.nix b/pkgs/by-name/op/opencode/package.nix
index 6a128e88368f..398cba81522d 100644
--- a/pkgs/by-name/op/opencode/package.nix
+++ b/pkgs/by-name/op/opencode/package.nix
@@ -16,13 +16,13 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "opencode";
-  version = "1.15.3";
+  version = "1.15.5";
 
   src = fetchFromGitHub {
     owner = "anomalyco";
     repo = "opencode";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-OKQR76q7trKQTvlMxH8tG2jNnRtBe3YeFfvNw8c3+8I=";
+    hash = "sha256-HZiqia9QzkJMfRQ6bzFBsiGXNHv1WFLUdwhekE+rXM8=";
   };
 
   node_modules = stdenvNoCC.mkDerivation {
@@ -75,7 +75,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     # NOTE: Required else we get errors that our fixed-output derivation references store paths
     dontFixup = true;
 
-    outputHash = "sha256-O6czNd9n6b0TTIsPseZn9qOlxsPzRTrePu3L6gM13oM=";
+    outputHash = "sha256-lxwxaFTgonMPIe2GweEVZhCMSUN/quBgV1wvV05U5wc=";
     outputHashAlgo = "sha256";
     outputHashMode = "recursive";
   };