diff --git a/operations/update-version.sh b/operations/update-version.sh
new file mode 100755
index 0000000..a6907d2
--- /dev/null
+++ b/operations/update-version.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+# Script to update the version number, commit the changes to the version files,
+# and tag the new commit.
+
+set -e
+
+origDir=$(pwd)
+rootDir=$(git rev-parse --show-toplevel)
+cd "$rootDir"
+
+currentBranch=$(git rev-parse --abbrev-ref HEAD)
+if [ "$currentBranch" != "develop" ]; then
+  printf "You are currently on the '%s' branch. Is this intended (yes/no)? " "$currentBranch"
+  read -r confirmation
+
+  if [ "$confirmation" != "yes" ]; then exit 1; fi
+fi
+
+lastVersion=$(jq -r .version web/package.json)
+printf "Last version: %s\n" "$lastVersion"
+printf "New version: "
+read -r newVersion
+
+printf "New version will be \"%s\". Is this correct (yes/no)? " "$newVersion"
+read -r confirmation
+
+if [ "$confirmation" != "yes" ]; then
+  printf "\n"
+  "$origDir/$0"
+  exit
+fi
+
+printf ">> Updating /web/package.json with \"version\": \"%s\"\n" "$newVersion"
+printf "jq \".version = \\\"%s\\\"\" web/package.json > temp.json\n" "$newVersion"
+jq ".version = \"${newVersion}\"" web/package.json > temp.json
+printf "mv temp.json web/package.json\n"
+mv temp.json web/package.json
+
+printf ">> Updating /api/src/main/nim/personal_measure_apipkg/version.nim with PM_API_VERSION* = \"%s\"" "$newVersion"
+printf "sed -i \"s/%s/%s/\" api/src/main/nim/personal_measure_apipkg/version.nim" "$lastVersion" "$newVersion"
+sed -i "s/${lastVersion}/${newVersion}/" api/src/main/nim/personal_measure_apipkg/version.nim
+
+printf ">> Committing new version.\n"
+printf "git add web/package.json api/src/main/nim/personal_measure_apipkg/version.nim"
+git add web/package.json api/src/main/nim/personal_measure_apipkg/version.nim
+printf "git commit -m \"Update package version to %s\"\n" "$newVersion"
+git commit -m "Update package version to ${newVersion}"
+
+printf ">> Tagging commit.\n"
+printf "git tag -m \"Version %s\" \"%s\"\n" "$newVersion" "$newVersion"
+git tag -m "Version ${newVersion}" "${newVersion}"
+