diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 002e161b..53772b8d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,9 @@ jobs:
         os: [ 'ubuntu-latest', 'windows-latest' ]
         java: ['8', '17']
         scala: [
+            { version: '2.12.16' },
             { version: '2.12.15' },
             { version: '2.12.14' },
-            { version: '2.12.13' },
             { version: '2.13.8' },
             { version: '2.13.7' },
             { version: '2.13.6' },
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 72db3572..5acd16a5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ on:
     tags: ["*"]
 jobs:
   publish:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/bin/test-release.sh b/bin/test-release.sh
index 62070390..29e11cfc 100755
--- a/bin/test-release.sh
+++ b/bin/test-release.sh
@@ -12,6 +12,7 @@ coursier fetch \
   org.scoverage:scalac-scoverage-plugin_2.12.13:$version \
   org.scoverage:scalac-scoverage-plugin_2.12.14:$version \
   org.scoverage:scalac-scoverage-plugin_2.12.15:$version \
+  org.scoverage:scalac-scoverage-plugin_2.12.16:$version \
   org.scoverage:scalac-scoverage-plugin_2.13.0:$version \
   org.scoverage:scalac-scoverage-plugin_2.13.1:$version \
   org.scoverage:scalac-scoverage-plugin_2.13.2:$version \
diff --git a/build.sbt b/build.sbt
index e24598d0..a02ed416 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,13 +2,14 @@ import sbtcrossproject.CrossProject
 import sbtcrossproject.CrossType
 
 lazy val munitVersion = "0.7.29"
-lazy val scalametaVersion = "4.4.32"
-lazy val defaultScala212 = "2.12.15"
+lazy val scalametaVersion = "4.5.9"
+lazy val defaultScala212 = "2.12.16"
 lazy val defaultScala213 = "2.13.8"
 lazy val defaultScala3 = "3.1.0"
 lazy val bin212 =
   Seq(
     defaultScala212,
+    "2.12.15",
     "2.12.14",
     "2.12.13",
     "2.12.12",