diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9b4905dcf..1602fd897 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -12,16 +12,16 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        rust: [stable, beta, 1.57.0]
+        rust: [stable, beta, 1.59.0]
         exclude:
           - os: macos-latest
             rust: beta
           - os: macos-latest
-            rust: 1.57.0
+            rust: 1.59.0
           - os: windows-latest
             rust: beta
           - os: windows-latest
-            rust: 1.57.0
+            rust: 1.59.0
 
     runs-on: ${{ matrix.os }}
 
diff --git a/README.md b/README.md
index f78580dbe..f4f865c0d 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Quinn is a pure-rust, async-compatible implementation of the IETF [QUIC][quic] t
   [rustls][rustls] and [*ring*][ring]
 - Application-layer datagrams for small, unreliable messages
 - Future-based async API
-- Minimum supported Rust version of 1.51.0
+- Minimum supported Rust version of 1.59.0
 
 ## Overview