diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fc15ee1..dd70edb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        rust: ["1.60.0", "stable", "beta"]
+        rust: ["1.70.0", "stable", "beta"]
         os: [ubuntu-latest]
         cargo_params: ["--features=version-sync", "--features=serde"]
     steps:
diff --git a/README.md b/README.md
index 3405878..4bfb24d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Parse and validate Web [Content-Security-Policy level 3](https://www.w3.org/TR/CSP/)
 
 [![Crates.IO](https://img.shields.io/crates/v/content-security-policy.svg)](https://crates.rs/crates/content-security-policy)
-![Requires rustc 1.60.0](https://img.shields.io/badge/rustc-1.60.0+-green.svg)
+![Requires rustc 1.70.0](https://img.shields.io/badge/rustc-1.70.0+-green.svg)
 
 This function parses a CSP string into a data structure, and provides a bunch of functions you can call on it (basically all of the "hooks" defined in the CSP standard). It directly uses the `url` crate, but it's intentionally agnostic to your HTML parser and your networking stack, so there are a few things it doesn't do: