diff --git a/lightspark-crypto-go/signing.go b/lightspark-crypto-go/signing.go
index 3142930..7054481 100644
--- a/lightspark-crypto-go/signing.go
+++ b/lightspark-crypto-go/signing.go
@@ -2,10 +2,10 @@ package lightspark_crypto
 
 // TODO(mhr): Dynamic linking?
 
-// #cgo darwin,amd64 LDFLAGS: -L${SRCDIR}/libs/darwin/amd64 -llightspark_crypto
-// #cgo darwin,arm64 LDFLAGS: -L${SRCDIR}/libs/darwin/arm64 -llightspark_crypto
-// #cgo linux,amd64 LDFLAGS: -L${SRCDIR}/libs/linux/amd64 -Wl,-Bstatic -llightspark_crypto -Wl,-Bdynamic
-// #cgo linux,arm64 LDFLAGS: -L${SRCDIR}/libs/linux/arm64 -Wl,-Bstatic -llightspark_crypto -Wl,-Bdynamic
+// #cgo darwin,amd64 LDFLAGS: -L${SRCDIR}/libs/darwin/amd64 -llightspark_crypto -pthread
+// #cgo darwin,arm64 LDFLAGS: -L${SRCDIR}/libs/darwin/arm64 -llightspark_crypto -pthread
+// #cgo linux,amd64 LDFLAGS: -L${SRCDIR}/libs/linux/amd64 -Wl,-Bstatic -llightspark_crypto -Wl,-Bdynamic -pthread
+// #cgo linux,arm64 LDFLAGS: -L${SRCDIR}/libs/linux/arm64 -Wl,-Bstatic -llightspark_crypto -Wl,-Bdynamic -pthread
 import "C"
 import (
 	"strings"