diff --git a/Dockerfile b/Dockerfile
index 59ba7a13..d819dc59 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,7 @@ FROM zricethezav/gitleaks:v7.6.1 as gitleaks
 FROM garethr/kubeval:0.15.0 as kubeval
 FROM ghcr.io/assignuser/lintr-lib:0.3.0 as lintr-lib
 FROM ghcr.io/awkbar-devops/clang-format:v1.0.2 as clang-format
-FROM scalameta/scalafmt:v2.7.5 as scalafmt
+FROM scalameta/scalafmt:v3.1.0 as scalafmt
 
 ##################
 # Get base image #
diff --git a/Dockerfile-slim b/Dockerfile-slim
index 24c5e1c6..2502e59f 100644
--- a/Dockerfile-slim
+++ b/Dockerfile-slim
@@ -29,7 +29,7 @@ FROM zricethezav/gitleaks:v7.6.1 as gitleaks
 FROM garethr/kubeval:0.15.0 as kubeval
 FROM ghcr.io/assignuser/lintr-lib:0.3.0 as lintr-lib
 FROM ghcr.io/awkbar-devops/clang-format:v1.0.2 as clang-format
-FROM scalameta/scalafmt:v2.7.5 as scalafmt
+FROM scalameta/scalafmt:v3.1.0 as scalafmt
 
 ##################
 # Get base image #
diff --git a/TEMPLATES/.scalafmt.conf b/TEMPLATES/.scalafmt.conf
index 7ee974db..d3d7ff99 100644
--- a/TEMPLATES/.scalafmt.conf
+++ b/TEMPLATES/.scalafmt.conf
@@ -1,4 +1,7 @@
 // Scala Format Configuration
 // https://scalameta.org/scalafmt/docs/configuration.html
+version = 3.1.0
 align.preset = more    // For pretty alignment.
 maxColumn = 80
+// https://scalameta.org/scalafmt/docs/configuration.html#scala-dialects
+runner.dialect = scala3