diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b57b59..3cfc6a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased
+
+* Remove mypy as a runtime dependency
+
 ## 1.17.0 - 2025-09-28
 
 ### Features
diff --git a/pyproject.toml b/pyproject.toml
index 04ab2b0..15a4fe8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,6 @@ dependencies = [
     "cli-helpers[styles]>=2.2.1",
     "click>=4.1,!=8.1.*",
     "configobj>=5.0.5",
-    "mypy>=1.17.1",
     "prompt-toolkit>=3.0.3,<4.0.0",
     "pygments>=1.6",
     "sqlparse>=0.4.4",
@@ -28,6 +27,11 @@ requires = [
 ]
 build-backend = "setuptools.build_meta"
 
+[dependency-groups]
+dev = [
+    "mypy>=1.17.1",
+]
+
 [tool.setuptools_scm]
 
 [project.scripts]