diff --git a/pyproject.toml b/pyproject.toml
index 46f08cd..f4d2030 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 dependencies = [
     "stockfish@git+https://github.com/hacking3dprinters/stockfish-python.git",
     "octoprint-cli==3.3.2",
-    "chess==1.10.0"
+    "chess==1.11.1"
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index 94d3b90..c357f60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 # pip requirements file for robotic-chess
 git+https://github.com/hacking3dprinters/stockfish-python.git#egg=stockfish
 octoprint-cli==3.3.2
-chess==1.10.0
+chess==1.11.1