diff --git a/.github/workflows/http.almaren-githubactions.yml b/.github/workflows/http.almaren-githubactions.yml
index 04c3161..64cd663 100644
--- a/.github/workflows/http.almaren-githubactions.yml
+++ b/.github/workflows/http.almaren-githubactions.yml
@@ -39,11 +39,11 @@ jobs:
           PGPASSWORD="postgres" psql -c "ALTER USER postgres PASSWORD 'foo' ;" -U postgres -h localhost 
           PGPASSWORD="postgres" psql -c 'create role runner;' -U postgres -h localhost
           PGPASSWORD="postgres" psql -c 'ALTER ROLE "runner" WITH  LOGIN SUPERUSER INHERIT CREATEDB CREATEROLE REPLICATION;' -U postgres -h localhost
-          sbt ++2.12.15 test
+          sbt ++2.12.10 test
           sbt ++2.13.9 test
           rm -rf "$HOME/.ivy2/local" || true
           find $HOME/Library/Caches/Coursier/v1        -name "ivydata-*.properties" -delete || true
           find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
           find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
           find $HOME/.sbt                              -name "*.lock"               -delete || true
-          killall -9 perl
\ No newline at end of file
+          killall -9 perl
diff --git a/build.sbt b/build.sbt
index ec2eb83..d88772f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 ThisBuild / name := "http.almaren"
 ThisBuild / organization := "com.github.music-of-the-ainur"
 
-lazy val scala212 = "2.12.15"
+lazy val scala212 = "2.12.10"
 lazy val scala213 = "2.13.9"
 
 crossScalaVersions := Seq(scala212,scala213)