diff --git a/.github/workflows/test-workflow.yml b/.github/workflows/test-workflow.yml
index af26f57..fb3f7aa 100644
--- a/.github/workflows/test-workflow.yml
+++ b/.github/workflows/test-workflow.yml
@@ -47,6 +47,16 @@ jobs:
           replacement-text: 'world'
           exclude: '**/*.check.txt'
 
+      - name: Replace in Files - replace using environment variable
+        uses: ./
+        with:
+          search-text: '_ENV_'
+          files: '**/*.txt'
+          replacement-text: $REPLACEMENT
+          exclude: '**/*.check.txt'
+        env:
+          REPLACEMENT: environment
+
       - name: Replace in Files - pattern finds only one file
         uses: ./
         with:
diff --git a/test-files/test1.check.txt b/test-files/test1.check.txt
index fd39b62..99b90ad 100644
--- a/test-files/test1.check.txt
+++ b/test-files/test1.check.txt
@@ -2,3 +2,4 @@ Version: 1.0.2.
 Hello world!
 This should be twenty-three: 23.
 This line has been changed: false.
+This value comes from enviroment variables: enviroment
diff --git a/test-files/test1.txt b/test-files/test1.txt
index 962e800..1c8b20c 100644
--- a/test-files/test1.txt
+++ b/test-files/test1.txt
@@ -2,3 +2,4 @@ Version: @VERSION@.
 Hello {0}!
 This should be twenty-three: 23.
 This line has been changed: false.
+This value comes from enviroment variables: _ENV_