diff --git a/bench/Cargo.toml b/bench/Cargo.toml
index 9e61fd046..be8783573 100644
--- a/bench/Cargo.toml
+++ b/bench/Cargo.toml
@@ -3,7 +3,7 @@ publish = false
 name = "regex-benchmark"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/regex"
 documentation = "https://docs.rs/regex"
 homepage = "https://github.com/rust-lang/regex"
diff --git a/regex-capi/Cargo.toml b/regex-capi/Cargo.toml
index 47938092d..bb8a1517e 100644
--- a/regex-capi/Cargo.toml
+++ b/regex-capi/Cargo.toml
@@ -2,7 +2,7 @@
 name = "rure"
 version = "0.2.1"  #:version
 authors = ["The Rust Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/rust-lang/regex"
 documentation = "https://github.com/rust-lang/regex/tree/master/regex-capi"
diff --git a/regex-debug/Cargo.toml b/regex-debug/Cargo.toml
index 34a62f87b..1db4036b9 100644
--- a/regex-debug/Cargo.toml
+++ b/regex-debug/Cargo.toml
@@ -3,7 +3,7 @@ publish = false
 name = "regex-debug"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/regex"
 documentation = "https://docs.rs/regex"
 homepage = "https://github.com/rust-lang/regex"
diff --git a/regex-syntax/Cargo.toml b/regex-syntax/Cargo.toml
index 1359aa15d..82700b03a 100644
--- a/regex-syntax/Cargo.toml
+++ b/regex-syntax/Cargo.toml
@@ -2,7 +2,7 @@
 name = "regex-syntax"
 version = "0.6.25"  #:version
 authors = ["The Rust Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/regex"
 documentation = "https://docs.rs/regex-syntax"
 homepage = "https://github.com/rust-lang/regex"