diff --git a/changelog.md b/changelog.md
index 4b855a90..1d3e0d83 100644
--- a/changelog.md
+++ b/changelog.md
@@ -27,6 +27,7 @@ Internal
 * Update `sqlglot`/`sqlglotc` to v30.12.0
 * Update `wcwidth` to v0.8.2
 * Remove duplication in dev dependencies.
+* Update `mypy` to v2.3.0.
 
 
 2.6.1 (2026/07/24)
diff --git a/pyproject.toml b/pyproject.toml
index e28e0b2d..79cb92ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ all = [
 dev = [
     "behave ~= 1.3.3",
     "coverage ~= 7.13.4",
-    "mypy ~= 1.19.1",
+    "mypy ~= 2.3.0",
     "pexpect ~= 4.9.0",
     "pytest ~= 9.1.1",
     "pytest-cov ~= 7.0.0",