diff --git a/.gitignore b/.gitignore
index 5656f24..fe3979f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,3 +45,4 @@
 /proc-macro2-1.0.34.crate
 /proc-macro2-1.0.36.crate
 /proc-macro2-1.0.38.crate
+/proc-macro2-1.0.40.crate
diff --git a/rust-proc-macro2.spec b/rust-proc-macro2.spec
index 1f34b7e..fc9c980 100644
--- a/rust-proc-macro2.spec
+++ b/rust-proc-macro2.spec
@@ -5,7 +5,7 @@
 %global crate proc-macro2
 
 Name:           rust-%{crate}
-Version:        1.0.38
+Version:        1.0.40
 Release:        %autorelease
 Summary:        Substitute implementation of the Rust compiler's proc_macro API
 
diff --git a/sources b/sources
index 6a2526d..a221029 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (proc-macro2-1.0.38.crate) = f360b00b4b1e05df52ca1714df34c719778f7bb6ed54fab04a84811acd0a29f7c4d4871fad7d988f0c042fe0fc326d7b1fedc731c55fd32c7257dd1895203080
+SHA512 (proc-macro2-1.0.40.crate) = bb179524bd41e36735010a7ec53e096359ffc3688ab97806a45ed9cfb17e8688ce352bbb8cd3bd4e15a4299e8500603c86591b17cfa31bca03f299f6f6347992