diff --git a/aws/Cargo.toml b/aws/Cargo.toml
index 2b42de2..8714cc0 100644
--- a/aws/Cargo.toml
+++ b/aws/Cargo.toml
@@ -23,3 +23,9 @@ wstd.workspace = true
 aws-config.workspace = true
 aws-sdk-s3.workspace = true
 clap.workspace = true
+# crc-fast is a transitive dep via aws-smithy-checksums, which
+# is a dep of aws-sdk-s3 and others.
+# When cargo resolves crc-fast to 1.6.0 via aws-smiothy-checksums 0.63.12,
+# wasm-ld will crash building crc-fast. Until this is resolved, pinning
+# crc-fast is the simplest way to avoid it
+crc-fast = "=1.3.0"