diff --git a/release.sh b/release.sh
deleted file mode 100755
index c101c24..0000000
--- a/release.sh
+++ /dev/null
@@ -1,130 +0,0 @@
-#!/bin/sh
-# release.sh — tag a new oasdiff-action version and update the README
-#
-# Usage: ./release.sh [new-version] [oasdiff-version]
-#   e.g. ./release.sh v0.0.35
-#        ./release.sh v0.0.35 v1.13.5   # also pin the oasdiff CLI image to v1.13.5
-#        ./release.sh                    # auto-increments the patch version
-#
-
-set -e
-
-REPO_DIR="$(cd "$(dirname "$0")" && pwd)"
-
-DOCKERFILES="breaking/Dockerfile changelog/Dockerfile diff/Dockerfile validate/Dockerfile pr-comment/Dockerfile verify/Dockerfile"
-
-# ── Resolve action version ───────────────────────────────────────────────────
-
-if [ -n "$1" ]; then
-  NEW="$1"
-else
-  LATEST=$(git -C "$REPO_DIR" tag --sort=-v:refname | grep '^v[0-9]' | head -1)
-  if [ -z "$LATEST" ]; then
-    echo "error: no existing tags found — provide a version explicitly" >&2
-    exit 1
-  fi
-  MAJOR=$(echo "$LATEST" | cut -d. -f1)
-  MINOR=$(echo "$LATEST" | cut -d. -f2)
-  PATCH=$(echo "$LATEST" | cut -d. -f3)
-  NEW="${MAJOR}.${MINOR}.$((PATCH + 1))"
-fi
-
-case "$NEW" in v*) ;; *) NEW="v${NEW}" ;; esac
-
-OLD=$(git -C "$REPO_DIR" tag --sort=-v:refname | grep '^v[0-9]' | head -1)
-
-if [ "$NEW" = "$OLD" ]; then
-  echo "error: new version ($NEW) is the same as the current tag" >&2
-  exit 1
-fi
-
-# ── Resolve oasdiff version ──────────────────────────────────────────────────
-
-OASDIFF_VERSION=""
-if [ -n "$2" ]; then
-  OASDIFF_VERSION="$2"
-  case "$OASDIFF_VERSION" in v*) ;; *) OASDIFF_VERSION="v${OASDIFF_VERSION}" ;; esac
-fi
-
-CURRENT_OASDIFF=$(grep -m1 'FROM tufin/oasdiff:' "$REPO_DIR/breaking/Dockerfile" | sed 's/FROM tufin\/oasdiff://')
-
-if [ -n "$OASDIFF_VERSION" ]; then
-  echo "Releasing $OLD → $NEW  (oasdiff ${CURRENT_OASDIFF} → ${OASDIFF_VERSION})"
-else
-  echo "Releasing $OLD → $NEW  (oasdiff ${CURRENT_OASDIFF}, unchanged)"
-fi
-
-# ── Validate git state ───────────────────────────────────────────────────────
-
-cd "$REPO_DIR"
-
-BRANCH=$(git branch --show-current)
-if [ "$BRANCH" != "main" ]; then
-  echo "error: not on main (currently on '$BRANCH') — check out main before releasing" >&2
-  exit 1
-fi
-
-git fetch origin main --quiet
-if [ "$(git rev-parse HEAD)" != "$(git rev-parse origin/main)" ]; then
-  echo "error: local main is not up to date with origin/main — run 'git pull' first" >&2
-  exit 1
-fi
-
-# ── Verify CI passed on HEAD ─────────────────────────────────────────────────
-
-HEAD_SHA=$(git rev-parse HEAD)
-echo "Checking CI status for $(git rev-parse --short HEAD)..."
-CI_STATE=$(gh api "repos/oasdiff/oasdiff-action/commits/${HEAD_SHA}/status" --jq '.state' 2>/dev/null || echo "unknown")
-CI_CHECKS=$(gh api "repos/oasdiff/oasdiff-action/commits/${HEAD_SHA}/check-runs" --jq '[.check_runs[] | select(.conclusion != "success" and .conclusion != "skipped" and .conclusion != null)] | length' 2>/dev/null || echo "unknown")
-
-if [ "$CI_STATE" = "failure" ] || [ "$CI_CHECKS" != "0" ]; then
-  echo "error: CI checks failed on HEAD — fix tests before releasing" >&2
-  echo "  See: https://github.com/oasdiff/oasdiff-action/actions" >&2
-  exit 1
-elif [ "$CI_STATE" = "pending" ] || [ "$CI_CHECKS" = "unknown" ]; then
-  echo "warning: CI status is pending or unknown — tests may not have run yet" >&2
-  printf "Continue anyway? [y/N] "
-  read -r answer
-  case "$answer" in [yY]*) ;; *) echo "Aborted."; exit 1 ;; esac
-fi
-
-echo "✓ CI passed on HEAD"
-
-# ── Tag ──────────────────────────────────────────────────────────────────────
-
-git tag "$NEW"
-git push origin "$NEW"
-echo "✓ Tagged and pushed $NEW"
-
-# ── Update Dockerfiles ───────────────────────────────────────────────────────
-
-if [ -n "$OASDIFF_VERSION" ]; then
-  for df in $DOCKERFILES; do
-    sed -i '' "s|FROM tufin/oasdiff:.*|FROM tufin/oasdiff:${OASDIFF_VERSION}|" "$REPO_DIR/$df"
-  done
-  echo "✓ Updated Dockerfiles: oasdiff ${CURRENT_OASDIFF} → ${OASDIFF_VERSION}"
-fi
-
-# ── Update README.md and commit ──────────────────────────────────────────────
-
-sed -i '' "s|@${OLD}|@${NEW}|g" "$REPO_DIR/README.md"
-
-if [ -n "$OASDIFF_VERSION" ]; then
-  COMMIT_MSG="chore: bump action to ${NEW}, pin oasdiff to ${OASDIFF_VERSION}"
-  # shellcheck disable=SC2086
-  git add README.md $DOCKERFILES
-else
-  COMMIT_MSG="chore: bump action version to ${NEW}"
-  git add README.md
-fi
-
-git commit -m "$COMMIT_MSG"
-git push origin main
-echo "✓ Updated README.md and pushed"
-
-# ── Done ─────────────────────────────────────────────────────────────────────
-
-echo ""
-echo "Release $NEW complete."
-echo "  Tag:     https://github.com/oasdiff/oasdiff-action/releases/tag/${NEW}"
-echo ""