diff --git a/.github/workflows/canary-matrix.yml b/.github/workflows/canary-matrix.yml
index 4d81104b..3dead730 100644
--- a/.github/workflows/canary-matrix.yml
+++ b/.github/workflows/canary-matrix.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        os: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04]
+        os: [ubuntu-24.04, ubuntu-22.04]
         # Configure Options
         pkgs: [all, none, no_tk_tcl_rl, no_rl, no_zlib, no_gc_gl_gu, no_gc_gu]
         # Toolchain