diff --git a/release b/release
index b739d8d6..d4d58b2a 100755
--- a/release
+++ b/release
@@ -12,13 +12,13 @@ VERSION=$1
 CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
 
 if [ "$CURRENT_BRANCH" = "main" ]; then
-  if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+  if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
     echo "Error: On 'main' branch, only release tags (X.Y.Z) are allowed."
     exit 1
   fi
 else
-  if [[ ! "$VERSION" =~ -rc ]]; then
-    echo "Error: On branch '$CURRENT_BRANCH', only RC tags (containing -rc) are allowed."
+  if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+-rc\.[0-9]+$ ]]; then
+    echo "Error: On branch '$CURRENT_BRANCH', only RC tags matching X.Y.Z-rc.W are allowed (e.g., 1.0.0-rc.1)."
     exit 1
   fi
 fi
@@ -28,12 +28,48 @@ CURRENT_DATE=$(date +%Y-%m-%d)
 
 echo "Preparing release $VERSION..."
 
-echo "Updating package.json to version $CLEAN_VERSION..."
-sed -i "s/\"version\": \".*\"/\"version\": \"$CLEAN_VERSION\"/" package.json
 
-echo "Updating CITATION.cff..."
-sed -i "s/^version: .*/version: $CLEAN_VERSION/" CITATION.cff
-sed -i "s/^date-released: .*/date-released: \"$CURRENT_DATE\"/" CITATION.cff
+# package.json
+if [ -f package.json ]; then
+  echo "Updating package.json..."
+  if sed --version >/dev/null 2>&1; then
+    sed -i "s/\"version\": \".*\"/\"version\": \"$CLEAN_VERSION\"/" package.json
+  else
+    sed -i '' "s/\"version\": \".*\"/\"version\": \"$CLEAN_VERSION\"/" package.json
+  fi
+fi
+
+# pyproject.toml
+if [ -f pyproject.toml ]; then
+  echo "Updating pyproject.toml..."
+  if sed --version >/dev/null 2>&1; then
+    sed -i "s/^version = \".*\"/version = \"$CLEAN_VERSION\"/" pyproject.toml
+  else
+    sed -i '' "s/^version = \".*\"/version = \"$CLEAN_VERSION\"/" pyproject.toml
+  fi
+fi
+
+# Cargo.toml
+if [ -f Cargo.toml ]; then
+  echo "Updating Cargo.toml..."
+  if sed --version >/dev/null 2>&1; then
+    sed -i "s/^version = \".*\"/version = \"$CLEAN_VERSION\"/" Cargo.toml
+  else
+    sed -i '' "s/^version = \".*\"/version = \"$CLEAN_VERSION\"/" Cargo.toml
+  fi
+fi
+
+# CITATION.cff
+if [ -f CITATION.cff ]; then
+  echo "Updating CITATION.cff..."
+  if sed --version >/dev/null 2>&1; then
+    sed -i "s/^version: .*/version: $CLEAN_VERSION/" CITATION.cff
+    sed -i "s/^date-released: .*/date-released: \"$CURRENT_DATE\"/" CITATION.cff
+  else
+    sed -i '' "s/^version: .*/version: $CLEAN_VERSION/" CITATION.cff
+    sed -i '' "s/^date-released: .*/date-released: \"$CURRENT_DATE\"/" CITATION.cff
+  fi
+fi
 
 git add .