diff --git a/hack/compress.sh b/hack/compress.sh
index 11898b4..e225e3b 100755
--- a/hack/compress.sh
+++ b/hack/compress.sh
@@ -6,8 +6,10 @@ set -o nounset # treat unset variables as an error and exit immediately.
 set -o errexit # exit immediately when a command fails.
 set -E         # needs to be set if we want the ERR trap
 
-readonly CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-readonly ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+readonly CURRENT_DIR
+readonly ROOT_PATH
 
 # shellcheck source=./hack/lib/utilities.sh
 source "${CURRENT_DIR}/lib/utilities.sh" || { echo 'Cannot load CI utilities.'; exit 1; }
diff --git a/hack/run-lint.sh b/hack/run-lint.sh
index f200098..699ebe7 100755
--- a/hack/run-lint.sh
+++ b/hack/run-lint.sh
@@ -5,10 +5,15 @@ set -o nounset # treat unset variables as an error and exit immediately.
 set -o errexit # exit immediately when a command fails.
 set -E         # needs to be set if we want the ERR trap
 
-readonly CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-readonly ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
-readonly GOLANGCI_LINT_VERSION="v1.31.0"
-readonly TMP_DIR=$(mktemp -d)
+CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+GOLANGCI_LINT_VERSION="v1.31.0"
+TMP_DIR=$(mktemp -d)
+
+readonly CURRENT_DIR
+readonly GOLANGCI_LINT_VERSION
+readonly ROOT_PATH
+readonly TMP_DIR
 
 # shellcheck source=./hack/lib/utilities.sh
 source "${CURRENT_DIR}/lib/utilities.sh" || { echo 'Cannot load CI utilities.'; exit 1; }
diff --git a/hack/run-test-integration.sh b/hack/run-test-integration.sh
index 1e58065..c047eb8 100755
--- a/hack/run-test-integration.sh
+++ b/hack/run-test-integration.sh
@@ -5,8 +5,10 @@ set -o nounset # treat unset variables as an error and exit immediately.
 set -o errexit # exit immediately when a command fails.
 set -E         # needs to be set if we want the ERR trap
 
-readonly CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-readonly ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+readonly CURRENT_DIR
+readonly ROOT_PATH
 
 # shellcheck source=./hack/lib/utilities.sh
 source "${CURRENT_DIR}/lib/utilities.sh" || { echo 'Cannot load CI utilities.'; exit 1; }
diff --git a/hack/run-test-unit.sh b/hack/run-test-unit.sh
index 617b6f6..81319d5 100755
--- a/hack/run-test-unit.sh
+++ b/hack/run-test-unit.sh
@@ -5,8 +5,11 @@ set -o nounset # treat unset variables as an error and exit immediately.
 set -o errexit # exit immediately when a command fails.
 set -E         # needs to be set if we want the ERR trap
 
-readonly CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-readonly ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+CURRENT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+ROOT_PATH=$( cd "${CURRENT_DIR}/.." && pwd )
+
+readonly CURRENT_DIR
+readonly ROOT_PATH
 
 # shellcheck source=./hack/lib/utilities.sh
 source "${CURRENT_DIR}/lib/utilities.sh" || { echo 'Cannot load CI utilities.'; exit 1; }