diff --git a/.ci/ci_build.sh b/.ci/ci_build.sh
index 00538255..d74d4144 100755
--- a/.ci/ci_build.sh
+++ b/.ci/ci_build.sh
@@ -1,14 +1,8 @@
 #!/bin/bash
 
 # detect CI
-if [ "$SYSTEM_COLLECTIONID" != "" ]; then
-	# Azure Pipelines
-	echo "Azure detected"
-	CI_NAME="$(echo "$AGENT_OS" | tr '[:upper:]' '[:lower:]')"
-	CI_BUILD_DIR="$BUILD_SOURCESDIRECTORY"
-elif [ "$HOME" != "" ]; then
+if [ "$HOME" != "" ]; then
 	# GitHub Actions
-	echo "Github Actions detected"
 	CI_NAME="$(uname -s | tr '[:upper:]' '[:lower:]')"
 	CI_BUILD_DIR="$GITHUB_WORKSPACE"
 else
diff --git a/.ci/ci_install.sh b/.ci/ci_install.sh
index 1b262034..86c6ffd4 100755
--- a/.ci/ci_install.sh
+++ b/.ci/ci_install.sh
@@ -1,11 +1,7 @@
 #!/bin/bash
 
 # detect CI
-if [ "$SYSTEM_COLLECTIONID" != "" ]; then
-	# Azure Pipelines
-	CI_NAME="$(echo "$AGENT_OS" | tr '[:upper:]' '[:lower:]')"
-	CI_BUILD_DIR="$BUILD_SOURCESDIRECTORY"
-elif [ "$HOME" != "" ]; then
+if [ "$HOME" != "" ]; then
 	# GitHub Actions
 	CI_NAME="$(uname -s | tr '[:upper:]' '[:lower:]')"
 	CI_BUILD_DIR="$GITHUB_WORKSPACE"
@@ -19,12 +15,15 @@ function installAndUpgrade()
 	arr=("$@")
 	for i in "${arr[@]}";
 	do
-		list_output=`brew list | grep $i`
+		list_output=`brew list --formula | grep $i`
 		outdated_output=`brew outdated | grep $i`
 
 		if [[ ! -z "$list_output" ]]; then
 		    if [[ ! -z "$outdated_output" ]]; then
+		    	echo "Outdated package: ${outdated_output}"
+		    	brew unlink  ${outdated_output}
 			brew upgrade $i
+			brew link --overwrite $i
 		    fi
 		else
 		    brew install $i