diff --git a/libs/wingc/package.json b/libs/wingc/package.json
index c451384f799..0581867cea5 100644
--- a/libs/wingc/package.json
+++ b/libs/wingc/package.json
@@ -2,7 +2,7 @@
   "name": "@winglang/wingc",
   "private": true,
   "scripts": {
-    "compile": "cargo build --target wasm32-wasi --release && ../../.cargo/binaryen-version_117/bin/wasm-opt --enable-bulk-memory --strip-debug --strip-producers -O3 -o wingc.wasm ../../target/wasm32-wasi/release/wingc.wasm",
+    "compile": "cargo build --target wasm32-wasi --release && ./scripts/postcompile.sh",
     "dev": "cargo run --example compile --release",
     "test": "cargo test",
     "lint": "cargo fmt && cargo clippy --fix --no-deps --allow-dirty --target wasm32-wasi --release"
diff --git a/libs/wingc/scripts/postcompile.sh b/libs/wingc/scripts/postcompile.sh
new file mode 100755
index 00000000000..5702df3f046
--- /dev/null
+++ b/libs/wingc/scripts/postcompile.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+###
+# This script should be run after release build of wingc to the wasm32-wasi target.
+# The end result will be a final wasm file in the wingc directory.
+# If running in CI (env "CI" is set), it will run wasm-opt on the generated wasm file.
+# Otherwise, the wasm file will be copied to the wingc directory from its original output location.
+###
+
+wingc=$(cd $(dirname $0)/.. && pwd)
+
+# Currently we only do release wasm builds
+target="release"
+
+wasm_opt="$wingc/../../.cargo/binaryen-version_117/bin/wasm-opt"
+input_wasm="$wingc/../../target/wasm32-wasi/$target/wingc.wasm"
+output_wasm="$wingc/wingc.wasm"
+
+# If CI env is set, run wasm-opt with extra optimizations
+echo "Optimising wasm..."
+if [ -n "$CI" ]; then
+  $wasm_opt --enable-bulk-memory --strip-debug --strip-producers -O3 -o $output_wasm $input_wasm
+else
+  $wasm_opt --enable-bulk-memory --strip-debug --strip-producers -o $output_wasm $input_wasm
+fi
+echo "Done!"
diff --git a/libs/wingc/turbo.json b/libs/wingc/turbo.json
index fad9c1cb977..4de29086657 100644
--- a/libs/wingc/turbo.json
+++ b/libs/wingc/turbo.json
@@ -4,6 +4,7 @@
   "pipeline": {
     "compile": {
       "dependsOn": ["@winglang/wingii#compile", "@winglang/tree-sitter-wing#compile"],
+      "inputs": ["$TURBO_DEFAULT$", "scripts/postcompile.sh"],
       "outputs": [
         "../../target/wasm32-wasi/release/wingc.wasm",
         "../../target/wasm32-wasi/release/libwingc.*",