diff --git a/pkgs/development/libraries/protobuf/3.16.nix b/pkgs/development/libraries/protobuf/3.16.nix
index df8d53b9f1c3..fdbbed733d85 100644
--- a/pkgs/development/libraries/protobuf/3.16.nix
+++ b/pkgs/development/libraries/protobuf/3.16.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.16.0";
-  sha256 = "0jc523ys6xh1fk3l52f5mfqxhb4g8aim1js7330v0fdc3fjr8ncf";
+  version = "3.16.1";
+  sha256 = "sha256-eOwUyZtrmyh3HwLQ1kLnk+briaXQPrlUqtbFol/nGBo=";
 }
diff --git a/pkgs/development/libraries/protobuf/3.18.nix b/pkgs/development/libraries/protobuf/3.18.nix
index 63fc9b218d30..0d5d2c652cba 100644
--- a/pkgs/development/libraries/protobuf/3.18.nix
+++ b/pkgs/development/libraries/protobuf/3.18.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.18.1";
-  sha256 = "sha256-5PK0uuk7Du9hX/hHy0gninHIKu6b8THdfVh87Gn7y2Q=";
+  version = "3.18.2";
+  sha256 = "sha256-IXxVTZOAKVMuGCJtD32rVQRBJRWUJMEK2d+fPEmgzRU=";
 }
diff --git a/pkgs/development/libraries/protobuf/3.19.nix b/pkgs/development/libraries/protobuf/3.19.nix
index 727bf511d581..7e2be4bec04c 100644
--- a/pkgs/development/libraries/protobuf/3.19.nix
+++ b/pkgs/development/libraries/protobuf/3.19.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.19.0";
-  sha256 = "0rx4r4d7hqr0gi3v90jbkm2lnkj9p37dhgwx9d0w7kgh3rvr4i7g";
+  version = "3.19.3";
+  sha256 = "sha256-nA6L064MuyP5Si4MCLk2yg8PDM7RWggFEGQyibputYQ=";
 }