diff --git a/pkgs/development/libraries/aws-sdk-cpp/default.nix b/pkgs/development/libraries/aws-sdk-cpp/default.nix
index 7ae09460adda..5d5c5e956026 100644
--- a/pkgs/development/libraries/aws-sdk-cpp/default.nix
+++ b/pkgs/development/libraries/aws-sdk-cpp/default.nix
@@ -99,6 +99,11 @@ stdenv.mkDerivation rec {
   ] ++ lib.optional (apis != ["*"])
     "-DBUILD_ONLY=${lib.concatStringsSep ";" apis}";
 
+  NIX_CFLAGS_COMPILE = [
+    # openssl 3 generates several deprecation warnings
+    "-Wno-error=deprecated-declarations"
+  ];
+
   # aws-cpp-sdk-core-tests/aws/client/AWSClientTest.cpp
   # seem to have a datarace
   enableParallelChecking = false;