diff --git a/Dockerfile b/Dockerfile
index f2e31b7..0996b3c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.54.0
+FROM rust:1.55.0
 
 LABEL "com.github.actions.name"="Rust Action"
 LABEL "com.github.actions.description"="'Silverbullet' for a quickstart Rust CI based upon Github Actions"
diff --git a/README.md b/README.md
index d2a4db6..71b636b 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 *What's inside the "box":*
 
-* Rust 1.54.0
+* Rust 1.55.0
 * Rustfmt
 * Clippy
 * Cargo Release