diff --git a/src/ios/dependencies/update.sh b/src/ios/dependencies/update.sh
new file mode 100755
index 00000000..7a133115
--- /dev/null
+++ b/src/ios/dependencies/update.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+#update the ios dependencies in this directory to those storied under passed tag on github
+
+#fail fast on errors
+set -e
+
+#cd into directory containing this script
+cd "$(dirname "$0")"
+
+#check first parameter is set to tag to download
+if [ -z ${1+x} ]; then
+	echo "You must pass this script the tag to download"
+	exit -1
+else
+	echo "downloading tag '$1'"
+fi
+
+#this is the git tag that we'll be updating to,
+#we expecct it to be the first parameter to this script
+tag_name=$1
+tag_url="https://github.com/BranchMetrics/ios-branch-deep-linking/archive/$tag_name.zip"
+#extract is where we stick the extracted archive of the tag
+tag_extract=ios-branch-deep-linking-$tag_name
+
+
+#check that tag exists
+tag_url_status=`curl -L -o /dev/null --silent --head --write-out '%{http_code}\n' $tag_url`
+if [ $tag_url_status = "200" ]; then
+	echo "found tag"
+else
+	echo "could not find '$tag_url'"
+	echo "curl returned status '$tag_url_status'"
+	exit -1
+fi
+
+#this will overwripte existing versions of sdk.zip
+curl -L -o sdk.zip $tag_url
+
+#delete old extracted content or do nothing if we don't have any
+rm -rf $tag_extract
+
+#silently (-q) extract download
+unzip -q -x sdk.zip
+rm -f sdk.zip
+
+#copy in new dependencies
+rm -rf Branch-SDK
+mv $tag_extract/Branch-SDK/Branch-SDK .
+
+rm -rf Branch.framework
+mv $tag_extract/Branch.framework .
+
+rm -rf Fabric
+mv $tag_extract/Branch-SDK/Fabric .
+
+#clean up
+rm -rf $tag_extract
+
+#replace all instances of '#import "../Fabric/' with '#import "' in .m files
+find . -type f -name '*.m' \
+	-exec perl -i -pe 's/\#import \"\.\.\/Fabric\//#import "/' '{}' +