diff --git a/build/linux.sh b/build/linux.sh
index 8cbba323..00df7757 100755
--- a/build/linux.sh
+++ b/build/linux.sh
@@ -2,9 +2,15 @@
 
 VERS=$(git describe --tags --abbrev=0)
 NAME=surreal-${VERS}.linux-amd64
+HASH=${NAME}.txt
 FILE=${NAME}.tgz
 
 GOOS=linux GOARCH=amd64 go build -v -ldflags "$(bash build/flags.sh)"
 tar -zcvf $FILE -s "#^#${NAME}/#" surreal
+
+echo $(shasum -a 256 $FILE | cut -f1 -d' ') > $HASH
+
 aws s3 cp --region eu-west-2 --cache-control "no-store" ./$FILE s3://download.surrealdb.com/
-rm -rf $FILE surreal
+aws s3 cp --region eu-west-2 --cache-control "no-store" ./$HASH s3://download.surrealdb.com/
+
+rm -rf $FILE $HASH surreal.exe surreal
diff --git a/build/macos.sh b/build/macos.sh
index 6d3d6c94..2dc82bd2 100755
--- a/build/macos.sh
+++ b/build/macos.sh
@@ -2,9 +2,15 @@
 
 VERS=$(git describe --tags --abbrev=0)
 NAME=surreal-${VERS}.darwin-amd64
+HASH=${NAME}.txt
 FILE=${NAME}.tgz
 
 GOOS=darwin GOARCH=amd64 go build -v -ldflags "$(bash build/flags.sh)"
 tar -zcvf $FILE -s "#^#${NAME}/#" surreal
+
+echo $(shasum -a 256 $FILE | cut -f1 -d' ') > $HASH
+
 aws s3 cp --region eu-west-2 --cache-control "no-store" ./$FILE s3://download.surrealdb.com/
-rm -rf $FILE surreal
+aws s3 cp --region eu-west-2 --cache-control "no-store" ./$HASH s3://download.surrealdb.com/
+
+rm -rf $FILE $HASH surreal.exe surreal
diff --git a/build/windows.sh b/build/windows.sh
index ea3c82ab..f6b0b645 100755
--- a/build/windows.sh
+++ b/build/windows.sh
@@ -2,9 +2,15 @@
 
 VERS=$(git describe --tags --abbrev=0)
 NAME=surreal-${VERS}.windows-amd64
+HASH=${NAME}.txt
 FILE=${NAME}.tgz
 
 GOOS=windows GOARCH=amd64 go build -v -ldflags "$(bash build/flags.sh)"
 tar -zcvf $FILE -s "#^#${NAME}/#" surreal
+
+echo $(shasum -a 256 $FILE | cut -f1 -d' ') > $HASH
+
 aws s3 cp --region eu-west-2 --cache-control "no-store" ./$FILE s3://download.surrealdb.com/
-rm -rf $FILE surreal
+aws s3 cp --region eu-west-2 --cache-control "no-store" ./$HASH s3://download.surrealdb.com/
+
+rm -rf $FILE $HASH surreal.exe surreal