diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6f5b52b2..28b207bb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,7 @@ jobs:
                     tools: composer
                     ini-values: "phar.readonly=0"
                     coverage: none
+                    extensions: bz2, zip
 
             -   uses: actions/download-artifact@v1
                 with:
diff --git a/resources/psalm.json b/resources/psalm.json
index 52938a71..78e5949c 100644
--- a/resources/psalm.json
+++ b/resources/psalm.json
@@ -6,11 +6,11 @@
             "website": "https://psalm.dev/",
             "command": {
                 "file-download": {
-                    "url": "https://github.com/vimeo/psalm/releases/download/4.5.0/psalm.phar.asc",
+                    "url": "https://github.com/vimeo/psalm/releases/download/4.5.1/psalm.phar.asc",
                     "file": "%target-dir%/psalm.phar.asc"
                 },
                 "phar-download": {
-                    "phar": "https://github.com/vimeo/psalm/releases/download/4.5.0/psalm.phar",
+                    "phar": "https://github.com/vimeo/psalm/releases/download/4.5.1/psalm.phar",
                     "bin": "%target-dir%/psalm"
                 }
             },