diff --git a/Dockerfile b/Dockerfile
index 4f98676b..46db5998 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update -q && apt-get install -qy \
     curl jq \
     texlive-full \
-    python-pygments gnuplot \
+    python3-pygments gnuplot \
     make git \
     && rm -rf /var/lib/apt/lists/*