diff --git a/Dockerfile b/Dockerfile
index b9fdfa8..0fbe299 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # Bootstrap Termux environment.
 FROM scratch AS bootstrap
 
-ARG BOOTSTRAP_VERSION=2021.06.04-r1
+ARG BOOTSTRAP_VERSION=2021.09.26-r1
 ARG BOOTSTRAP_ARCH=i686
 ARG SYSTEM_TYPE=x86