diff --git a/bionic/Dockerfile b/bionic/Dockerfile
index ae7b2e2..1c671fd 100644
--- a/bionic/Dockerfile
+++ b/bionic/Dockerfile
@@ -89,7 +89,7 @@ RUN \
 	rm -r ./Vulkan-Loader*
 
 # We need to build a custom version of SDL2 as well
-ENV SDL2VER=2.0.16
+ENV SDL2VER=2.0.18
 RUN \
 	curl -sSfL -o SDL2.tar.gz https://www.libsdl.org/release/SDL2-${SDL2VER}.tar.gz && \
 	tar -xf SDL2.tar.gz && \