diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa589d22..2c95b30b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -107,6 +107,19 @@ jobs:
                 uses: "ramsey/composer-install@v1"
                 with:
                     composer-options: "--no-scripts"
+            -
+                name: "Install Watchman"
+                run: |
+                    wget https://github.com/facebook/watchman/releases/download/v2020.09.14.00/watchman-v2020.09.14.00-linux.zip
+                    unzip watchman-v2020.09.14.00-linux.zip
+                    sudo mkdir -p /usr/local/{bin,lib} /usr/local/var/run/watchman
+                    sudo mv watchman-v2020.09.14.00-linux/bin/watchman /usr/local/bin/watchman
+                    sudo mv watchman-v2020.09.14.00-linux/lib/* /usr/local/lib/
+                    sudo chmod 755 /usr/local/bin/watchman
+                    sudo chmod 2777 /usr/local/var/run/watchman
+            -
+                name: "Install Inotify"
+                run: sudo apt-get -y install inotify-tools fswatch
             -
                 name: "Run PHPUnit"
                 run: "vendor/bin/phpunit"