diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d195875..001a03e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         name: [
-          ubuntu-18.04-gcc-4.8,
+          ubuntu-18.04-gcc-4.9,
           ubuntu-18.04-gcc-5,
           ubuntu-18.04-gcc-6,
           ubuntu-18.04-gcc-7,
@@ -46,10 +46,10 @@ jobs:
         ]
 
         include:
-          - name: ubuntu-18.04-gcc-4.8
+          - name: ubuntu-18.04-gcc-4.9
             os: ubuntu-18.04
             compiler: gcc
-            version: "4.8"
+            version: "4.9"
 
           - name: ubuntu-18.04-gcc-5
             os: ubuntu-18.04
diff --git a/README.md b/README.md
index e199a70..8f3a0a8 100644
--- a/README.md
+++ b/README.md
@@ -316,4 +316,4 @@ Inja uses `string_view` from C++17, but includes the [polyfill](https://github.c
 - Clang 3.5 - 9 (and possibly later)
 - Microsoft Visual C++ 2016 - 2019 (and possibly later)
 
-A complete list of supported compiler / os versions can be found in the [CI definition](https://github.com/pantor/inja/blob/master/.github/workflows/ci.yml).
+The unit tests fail to compile with GCC 4.8 but should just work fine. A complete list of supported compiler / os versions can be found in the [CI definition](https://github.com/pantor/inja/blob/master/.github/workflows/ci.yml).