diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9c3d9a86b..5a3f0e3cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
           distribution: temurin
           cache: sbt
       - uses: sbt/setup-sbt@v1
-      - run: sbt '++2.13.15 test'
+      - run: sbt '++2.13.16 test'
         shell: bash
   test:
     name: ${{ matrix.command }} ${{ matrix.java }}
@@ -59,7 +59,7 @@ jobs:
           # Test legacy Scala versions, where reporting API changed
           - "'++2.12.12! testAllNonNative'" # compiler version too old for Scala Native
           - "'++2.12.19 test'"
-          - "'++2.13.15 test'"
+          - "'++2.13.16 test'"
           # Minimal supported version
           - "'++3.3.4 test'"
           - "scripted"
diff --git a/.mergify.yml b/.mergify.yml
index b404de064..e55f6c2f4 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -7,12 +7,12 @@ pull_request_rules:
       - check-success=Windows
       - check-success="'++2.12.12! test' adopt@1.11"
       - check-success="'++2.12.19 test' adopt@1.11"
-      - check-success="'++2.13.15 test' adopt@1.11"
+      - check-success="'++2.13.16 test' adopt@1.11"
       - check-success="'++3.3.4 test' adopt@1.11"
       - check-success="scripted adopt@1.11"
       - check-success="'++2.12.12! test' 17"
       - check-success="'++2.12.19 test' 17"
-      - check-success="'++2.13.15 test' 17"
+      - check-success="'++2.13.16 test' 17"
       - check-success="'++3.3.4 test' 17"
       - check-success=scripted 17
     actions:
diff --git a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
index dd50701a6..44847852d 100644
--- a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
+++ b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
@@ -1,6 +1,6 @@
 > ++2.12.19 mdoc
 > check
-> ++2.13.15 mdoc
+> ++2.13.16 mdoc
 > check
 > ++3.3.4 mdoc
 > check
diff --git a/tests/unit/src/test/scala/tests/imports/DependencySuite.scala b/tests/unit/src/test/scala/tests/imports/DependencySuite.scala
index 7c9775438..f091f593e 100644
--- a/tests/unit/src/test/scala/tests/imports/DependencySuite.scala
+++ b/tests/unit/src/test/scala/tests/imports/DependencySuite.scala
@@ -82,7 +82,12 @@ class DependencySuite extends BaseMarkdownSuite {
       |println(42)
       |```
       | """.stripMargin,
-    s"""|error: dep-error.md:3:49: Error downloading org.scalameta:foobar:1.2.1
+    s"""|error: dep-error.md:4:13: Error downloading org.scalameta:not-exists_${BuildInfo.scalaVersion}:2.3.4
+        |<redacted user.home>
+        |  not found: https://repo1.maven.org/maven2/org/scalameta/not-exists_${BuildInfo.scalaVersion}/2.3.4/not-exists_${BuildInfo.scalaVersion}-2.3.4.pom
+        |import $$dep.`org.scalameta:::not-exists:2.3.4`
+        |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        |error: dep-error.md:3:49: Error downloading org.scalameta:foobar:1.2.1
         |<redacted user.home>
         |  not found: https://repo1.maven.org/maven2/org/scalameta/foobar/1.2.1/foobar-1.2.1.pom
         |import $$dep.`org.scalameta::mmunit:2.3.4`, $$dep.`org.scalameta:foobar:1.2.1`
@@ -92,11 +97,6 @@ class DependencySuite extends BaseMarkdownSuite {
         |  not found: https://repo1.maven.org/maven2/org/scalameta/mmunit_2.13/2.3.4/mmunit_2.13-2.3.4.pom
         |import $$dep.`org.scalameta::mmunit:2.3.4`, $$dep.`org.scalameta:foobar:1.2.1`
         |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-        |error: dep-error.md:4:13: Error downloading org.scalameta:not-exists_${BuildInfo.scalaVersion}:2.3.4
-        |<redacted user.home>
-        |  not found: https://repo1.maven.org/maven2/org/scalameta/not-exists_${BuildInfo.scalaVersion}/2.3.4/not-exists_${BuildInfo.scalaVersion}-2.3.4.pom
-        |import $$dep.`org.scalameta:::not-exists:2.3.4`
-        |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
         |""".stripMargin
   )
 
diff --git a/tests/unit/src/test/scala/tests/imports/ScalacSuite.scala b/tests/unit/src/test/scala/tests/imports/ScalacSuite.scala
index f320bd884..c480afc53 100644
--- a/tests/unit/src/test/scala/tests/imports/ScalacSuite.scala
+++ b/tests/unit/src/test/scala/tests/imports/ScalacSuite.scala
@@ -1,6 +1,7 @@
 package tests.imports
 
 import tests.markdown.BaseMarkdownSuite
+import tests.markdown.Compat
 
 class ScalacSuite extends BaseMarkdownSuite {
 
@@ -17,7 +18,15 @@ class ScalacSuite extends BaseMarkdownSuite {
        |warning: import.md:4:1: Unused import
        |import scala.util.Try
        |^^^^^^^^^^^^^^^^^^^^^
-       |""".stripMargin
+       |""".stripMargin,
+    compat = Map(
+      Compat.Scala213 ->
+        """|error: No warnings can be incurred under -Werror.
+           |warning: import.md:4:19: Unused import
+           |import scala.util.Try
+           |                  ^^^
+           |""".stripMargin
+    )
   )
 
   check(