diff --git a/postgres-derive/Cargo.toml b/postgres-derive/Cargo.toml
index 51ebb5663..5d1604b24 100644
--- a/postgres-derive/Cargo.toml
+++ b/postgres-derive/Cargo.toml
@@ -2,7 +2,7 @@
 name = "postgres-derive"
 version = "0.4.5"
 authors = ["Steven Fackler <sfackler@palantir.com>"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 edition = "2018"
 description = "An internal crate used by postgres-types"
 repository = "https://github.com/sfackler/rust-postgres"
@@ -15,4 +15,4 @@ test = false
 syn = "2.0"
 proc-macro2 = "1.0"
 quote = "1.0"
-heck = "0.4"
\ No newline at end of file
+heck = "0.4"
diff --git a/postgres-native-tls/Cargo.toml b/postgres-native-tls/Cargo.toml
index 1f2f6385d..936eeeaa4 100644
--- a/postgres-native-tls/Cargo.toml
+++ b/postgres-native-tls/Cargo.toml
@@ -3,7 +3,7 @@ name = "postgres-native-tls"
 version = "0.5.0"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "TLS support for tokio-postgres via native-tls"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
diff --git a/postgres-openssl/Cargo.toml b/postgres-openssl/Cargo.toml
index 8671308af..b7ebd3385 100644
--- a/postgres-openssl/Cargo.toml
+++ b/postgres-openssl/Cargo.toml
@@ -3,7 +3,7 @@ name = "postgres-openssl"
 version = "0.5.0"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "TLS support for tokio-postgres via openssl"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
diff --git a/postgres-protocol/Cargo.toml b/postgres-protocol/Cargo.toml
index bc83fc4e6..a8a130495 100644
--- a/postgres-protocol/Cargo.toml
+++ b/postgres-protocol/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.6.6"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
 description = "Low level Postgres protocol APIs"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
 
diff --git a/postgres-types/Cargo.toml b/postgres-types/Cargo.toml
index cfd083637..bf011251b 100644
--- a/postgres-types/Cargo.toml
+++ b/postgres-types/Cargo.toml
@@ -3,7 +3,7 @@ name = "postgres-types"
 version = "0.2.6"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "Conversions between Rust and Postgres values"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
diff --git a/postgres/Cargo.toml b/postgres/Cargo.toml
index 18406da9f..2ff3c875e 100644
--- a/postgres/Cargo.toml
+++ b/postgres/Cargo.toml
@@ -3,7 +3,7 @@ name = "postgres"
 version = "0.19.7"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "A native, synchronous PostgreSQL client"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index 237f3d2f1..b3e56314f 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -3,7 +3,7 @@ name = "tokio-postgres"
 version = "0.7.10"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 edition = "2018"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "A native, asynchronous PostgreSQL client"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"