diff --git a/grpc.changes b/grpc.changes
index 75816b7..41ea210 100644
--- a/grpc.changes
+++ b/grpc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Aug 30 18:56:29 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 1.39.1
+  * Fix C# protoc plugin argument parsing on 1.39.x
+
 -------------------------------------------------------------------
 Mon Aug 30 17:52:56 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/grpc.spec b/grpc.spec
index 74eca43..9a4ff22 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -20,7 +20,7 @@
 %define lverp 1
 %define src_install_dir /usr/src/%name
 Name:           grpc
-Version:        1.39.0
+Version:        1.39.1
 Release:        0
 Summary:        HTTP/2-based Remote Procedure Call implementation
 License:        Apache-2.0
diff --git a/v1.39.0.tar.gz b/v1.39.0.tar.gz
deleted file mode 100644
index a48a58c..0000000
--- a/v1.39.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b16992aa1c949c10d5d5ce2a62f9d99fa7de77da2943e643fb66dcaf075826d6
-size 8378094
diff --git a/v1.39.1.tar.gz b/v1.39.1.tar.gz
new file mode 100644
index 0000000..fe2950c
--- /dev/null
+++ b/v1.39.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:024118069912358e60722a2b7e507e9c3b51eeaeee06e2dd9d95d9c16f6639ec
+size 8378480