diff --git a/pyproject.toml b/pyproject.toml
index dd444b3..afae7f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dev = [
     "tomli",
     "ufmt == 2.9.1",
     "usort == 1.1.3",
-    "ruff==0.15.17",
+    "ruff==0.15.20",
 ]
 lsp = ["pygls[ws] >= 2.0,<2.2"]
 pretty = ["rich >= 12.6.0"]
@@ -65,7 +65,7 @@ test = [
     "pytest>=9.0.3",
     "pygls[ws] >= 2.0,<2.2",
     "black == 26.5.1",
-    "ruff==0.15.17",
+    "ruff==0.15.20",
     "tomli",
     "ufmt == 2.9.1",
     "usort == 1.1.3",
@@ -89,7 +89,7 @@ dev = [
     "tomli",
     "ufmt == 2.9.1",
     "usort == 1.1.3",
-    "ruff==0.15.17",
+    "ruff==0.15.20",
 ]
 lsp = ["pygls[ws] >= 2.0,<2.2"]
 pretty = ["rich >= 12.6.0"]