diff --git a/docs/specs/GRM-167.md b/docs/specs/GRM-167.md
new file mode 100644
index 0000000..d618a81
--- /dev/null
+++ b/docs/specs/GRM-167.md
@@ -0,0 +1,21 @@
+# GRM-167: Bump devx to v0.51.0
+
+## Problem
+devx v0.51.0 released with role defaults path support for create_dependency_pr. grm pins v0.50.2.
+
+## Approach
+Bump devx pin in pyproject.toml.
+
+REQ-1: Bump devx from v0.50.2 to v0.51.0 in pyproject.toml
+
+## Test Plan
+- Verify CI passes with new devx version
+
+## Deploy Plan
+- Merge to master, auto-release
+
+## Rollback Plan
+- Revert the merge commit
+
+## Acceptance Criteria
+- [x] REQ-1: devx pinned to v0.51.0 in pyproject.toml
diff --git a/pyproject.toml b/pyproject.toml
index 89e0890..087a968 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ ci = [
     "build==1.5.1",
     "twine==6.2.0",
     # Reusable CI/CD and dev tools (auto-merge, pr-review, pre-push checks, etc.)
-    "devx @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/devx.git@v0.50.2",
+    "devx @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/devx.git@v0.51.0",
 ]
 # Lint and type-checking tools (validate job)
 lint = [
@@ -56,7 +56,7 @@ molecule = [
 dev = [
     "grm[ci,lint,molecule]",
     # Reusable CI/CD and dev tools (pre-push hooks, create-task, create-pr)
-    "devx @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/devx.git@v0.50.2",
+    "devx @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/devx.git@v0.51.0",
     # Non-Python dev dependency: checkmake (Makefile linter)
     # Install via: go install github.com/checkmake/checkmake/cmd/checkmake@latest
 ]