diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 23a505c..8364e97 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index cb5323a..68ad2b6 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ The following environment variables will override any config or default:
 
 
 # Notes
+* Requires Python v3.6 or greater (f-strings are used)
 * Listens on port 8080 by default.
 * Forwards `resolved` alerts, if not disabled.
 * Resolved alerts delete the original alert, if enabled.