diff --git a/A/AWSCRT/build_tarballs.jl b/A/AWSCRT/build_tarballs.jl
index 53260e80f56..51496d0ae14 100644
--- a/A/AWSCRT/build_tarballs.jl
+++ b/A/AWSCRT/build_tarballs.jl
@@ -42,7 +42,7 @@ dependencies = [
     Dependency("aws_c_http_jll"; compat="0.7.12"),
     Dependency("aws_c_iot_jll"; compat="0.1.17"),
     Dependency("aws_c_mqtt_jll"; compat="0.8.12"),
-    Dependency("aws_c_s3_jll"; compat="0.3.17"),
+    Dependency("aws_c_s3_jll"; compat="0.7.18"),
     Dependency("aws_checksums_jll"; compat="0.1.17"),
     BuildDependency("aws_lc_jll"),
 ]
diff --git a/A/aws_c_s3/build_tarballs.jl b/A/aws_c_s3/build_tarballs.jl
index d6bf1c66574..6d1f2427a1b 100644
--- a/A/aws_c_s3/build_tarballs.jl
+++ b/A/aws_c_s3/build_tarballs.jl
@@ -3,11 +3,11 @@
 using BinaryBuilder, Pkg
 
 name = "aws_c_s3"
-version = v"0.7.17"
+version = v"0.7.18"
 
 # Collection of sources required to complete build
 sources = [
-    GitSource("https://github.com/awslabs/aws-c-s3.git", "7d2d4b3070109c882ff78e8719f60597c7ba0472"),
+    GitSource("https://github.com/awslabs/aws-c-s3.git", "fbd8a915ff2808057df5f8013190b0b7da07e12f"),
 ]
 
 # Bash recipe for building across all platforms