diff --git a/README.md b/README.md
index 31c6ca2d..be6df962 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ cargo build --release
 cp target/release/oxipng /usr/local/bin
 ```
 
-The current minimum supported Rust version is **1.41.0**.
+The current minimum supported Rust version is **1.47.0**.
 
 Oxipng follows Semantic Versioning.
 
diff --git a/README.template.md b/README.template.md
index 8f3ba013..e7a85cfa 100644
--- a/README.template.md
+++ b/README.template.md
@@ -30,7 +30,7 @@ cargo build --release
 cp target/release/oxipng /usr/local/bin
 ```
 
-The current minimum supported Rust version is **1.41.0**.
+The current minimum supported Rust version is **1.47.0**.
 
 Oxipng follows Semantic Versioning.