diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index d64eb45..53eb6da 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -14,27 +14,8 @@ jobs:
       fail-fast: false
       matrix:
         scala:
-          - 2.12.5
-          - 2.12.6
-          - 2.12.7
-          - 2.12.8
-          - 2.12.9
-          - 2.12.10
-          - 2.12.11
-          - 2.12.12
-          - 2.12.13
-          - 2.12.14
-          - 2.12.15
-          - 2.12.16
-          - 2.12.17
           - 2.12.18
           - 2.12.19
-          - 2.13.0
-          - 2.13.1
-          - 2.13.2
-          - 2.13.3
-          - 2.13.4
-          - 2.13.5
           - 2.13.6
           - 2.13.7
           - 2.13.8