diff --git a/scripts/configure_dev.sh b/scripts/configure_dev.sh
index 474e869fbf..859eafc487 100755
--- a/scripts/configure_dev.sh
+++ b/scripts/configure_dev.sh
@@ -13,24 +13,30 @@ Options:
 
 FORCE=false
 while getopts ":sfh" opt; do
-  case ${opt} in
-    f ) FORCE=true
-      ;;
-    h ) echo "${HELP}"
+    case ${opt} in
+    f)
+        FORCE=true
+        ;;
+    h)
+        echo "${HELP}"
         exit 0
-      ;;
-    \? ) echo "${HELP}"
+        ;;
+    \?)
+        echo "${HELP}"
         exit 2
-      ;;
-  esac
+        ;;
+    esac
 done
 
-SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
+SCRIPTPATH="$(
+    cd "$(dirname "$0")"
+    pwd -P
+)"
 
 OS=$("$SCRIPTPATH"/ostype.sh)
 
 function install_or_upgrade {
-    if ${FORCE} ; then
+    if ${FORCE}; then
         BREW_FORCE="-f"
     fi
     if brew ls --versions "$1" >/dev/null; then
@@ -43,30 +49,30 @@ function install_or_upgrade {
 function install_windows_shellcheck() {
     version="v0.7.1"
     if ! wget https://github.com/koalaman/shellcheck/releases/download/$version/shellcheck-$version.zip -O /tmp/shellcheck-$version.zip; then
-        rm /tmp/shellcheck-$version.zip &> /dev/null
+        rm /tmp/shellcheck-$version.zip &>/dev/null
         echo "Error downloading shellcheck $version"
         return 1
     fi
 
     if ! unzip -o /tmp/shellcheck-$version.zip shellcheck-$version.exe -d /tmp; then
-        rm /tmp/shellcheck-$version.zip &> /dev/null
+        rm /tmp/shellcheck-$version.zip &>/dev/null
         echo "Unable to decompress shellcheck $version"
         return 1
     fi
 
     if ! mv -f /tmp/shellcheck-$version.exe /usr/bin/shellcheck.exe; then
-        rm /tmp/shellcheck-$version.zip &> /dev/null
+        rm /tmp/shellcheck-$version.zip &>/dev/null
         echo "Unable to move shellcheck to /usr/bin"
         return 1
     fi
 
-    rm /tmp/shellcheck-$version.zip &> /dev/null
+    rm /tmp/shellcheck-$version.zip &>/dev/null
 
     return 0
 }
 
 if [ "${OS}" = "linux" ]; then
-    if ! which sudo > /dev/null; then
+    if ! which sudo >/dev/null; then
         "$SCRIPTPATH/install_linux_deps.sh"
     else
         sudo "$SCRIPTPATH/install_linux_deps.sh"
@@ -74,7 +80,13 @@ if [ "${OS}" = "linux" ]; then
 elif [ "${OS}" = "darwin" ]; then
     if [ "${CIRCLECI}" != "true" ]; then
         brew update
-        brew tap homebrew/cask
+        brew_version=$(brew --version | head -1 | cut -d' ' -f2)
+        major_version=$(echo $brew_version | cut -d. -f1)
+        minor_version=$(echo $brew_version | cut -d. -f2)
+        version_decimal="$major_version.$minor_version"
+        if (($(echo "$version_decimal < 2.5" | bc -l))); then
+            brew tap homebrew/cask
+        fi
     fi
     install_or_upgrade pkg-config
     install_or_upgrade libtool