diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 212492c..225861c 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -9,6 +9,8 @@ RUN set -ex; \
       make \
     ; \
     \
+    tlmgr update --self; \
+    \
     tlmgr install \
       kpfonts \
       lastpage \
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 4342634..d213449 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -10,6 +10,8 @@ RUN set -ex; \
       make \
     ; rm -rf /var/lib/apt/lists/*; \
     \
+    tlmgr update --self; \
+    \
     tlmgr install \
       kpfonts \
       lastpage \