diff --git a/requirements.txt b/requirements.txt
index 682ca1ec2..8bd3ad88f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -e git+https://github.com/AdaCore/langkit.git#egg=langkit
-Pygments==2.8.0
+Pygments==2.15.0
 Sphinx==4.5
 prompt-toolkit==3.0.6
 railroad-diagrams==1.1.0