diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ef8c0e6..6274f43 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,6 +11,12 @@ repos:
     hooks:
       - id: rapids-dependency-file-generator
         args: ["--clean"]
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: v0.10.0.1
+    hooks:
+      - id: shellcheck
+        args: ["--severity=warning"]
+        files: ^ci/
 
 default_language_version:
   python: python3
diff --git a/ci/build_docs.sh b/ci/build_docs.sh
index 944fec5..e65a950 100755
--- a/ci/build_docs.sh
+++ b/ci/build_docs.sh
@@ -16,16 +16,17 @@ rapids-dependency-file-generator \
 rapids-mamba-retry env create --yes -f env.yaml -n docs
 conda activate docs
 
-export RAPIDS_DOCS_DIR="$(mktemp -d)"
+RAPIDS_DOCS_DIR="$(mktemp -d)"
+export RAPIDS_DOCS_DIR
 
 rapids-print-env
 
-PROJ_LIST=("libcugraph libwholegraph")
+PROJ_LIST=("libcugraph" "libwholegraph")
 
-for PROJECT in ${PROJ_LIST}; do
+for PROJECT in "${PROJ_LIST[@]}"; do
   rapids-logger "Download ${PROJECT} xml_tar"
   TMP_DIR=$(mktemp -d)
-  export XML_DIR_${PROJECT^^}="$TMP_DIR"
+  export "XML_DIR_${PROJECT^^}"="$TMP_DIR"
 
   curl "https://d1664dvumjb44w.cloudfront.net/${PROJECT}/xml_tar/${RAPIDS_VERSION_MAJOR_MINOR}/xml.tar.gz" | tar -xzf - -C "${TMP_DIR}"
 done
diff --git a/ci/release/update-version.sh b/ci/release/update-version.sh
index 1c618d1..9fb939b 100755
--- a/ci/release/update-version.sh
+++ b/ci/release/update-version.sh
@@ -21,21 +21,17 @@ NEXT_FULL_TAG=$1
 
 # Get current version
 CURRENT_TAG=$(git tag --merged HEAD | grep -xE '^v.*' | sort --version-sort | tail -n 1 | tr -d 'v')
-CURRENT_MAJOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[1]}')
-CURRENT_MINOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[2]}')
-CURRENT_PATCH=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[3]}')
-CURRENT_SHORT_TAG=${CURRENT_MAJOR}.${CURRENT_MINOR}
 
 #Get <major>.<minor> for next version
-NEXT_MAJOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[1]}')
-NEXT_MINOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[2]}')
+NEXT_MAJOR=$(echo "$NEXT_FULL_TAG" | awk '{split($0, a, "."); print a[1]}')
+NEXT_MINOR=$(echo "$NEXT_FULL_TAG" | awk '{split($0, a, "."); print a[2]}')
 NEXT_SHORT_TAG=${NEXT_MAJOR}.${NEXT_MINOR}
 
 echo "Preparing release $CURRENT_TAG => $NEXT_FULL_TAG"
 
 # Inplace sed replace; workaround for Linux and Mac
 function sed_runner() {
-    sed -i.bak ''"$1"'' $2 && rm -f ${2}.bak
+    sed -i.bak ''"$1"'' "$2" && rm -f "${2}".bak
 }
 
 # Centralized version file update