diff --git a/Dockerfile.build-tools b/Dockerfile.build-tools
index 19739cc1f8..460b8c996d 100644
--- a/Dockerfile.build-tools
+++ b/Dockerfile.build-tools
@@ -87,7 +87,7 @@ RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -m).zip" -o "aws
     && rm awscliv2.zip
 
 # Mold: A Modern Linker
-ENV MOLD_VERSION v2.4.0
+ENV MOLD_VERSION v2.31.0
 RUN set -e \
     && git clone https://github.com/rui314/mold.git \
     && mkdir mold/build \