diff --git a/.github/workflows/badge.yml b/.github/workflows/badge.yml
new file mode 100644
index 0000000..2aad3c2
--- /dev/null
+++ b/.github/workflows/badge.yml
@@ -0,0 +1,26 @@
+name: Badges
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update-badges:
+    name: Update Badges
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Get the Numbers
+        run: |
+          echo "dep_counts=$(./scripts/count-dependencies.sh)" >> $GITHUB_ENV
+      - name: Create Dependency-Count-Badge
+        uses: schneegans/dynamic-badges-action@v1.0.0
+        with:
+          auth: ${{ secrets.GIST_SECRET }}
+          gistID: a2128afe12bf05d85a0d68346236a4f5
+          filename: sailfish-dep-counts.json
+          label: Dependencies
+          message: ${{ env.dep_counts }}
+          color: blueviolet
diff --git a/README.md b/README.md
index ba2929f..befb725 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Simple, small, and extremely fast template engine for Rust
 
 [![Tests](https://github.com/Kogia-sima/sailfish/workflows/Tests/badge.svg)](https://github.com/Kogia-sima/sailfish/actions?query=workflow%3ATests)
 [![Version](https://img.shields.io/crates/v/sailfish)](https://crates.io/crates/sailfish)
+![Dependency counts](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/Kogia-sima/a2128afe12bf05d85a0d68346236a4f5/raw/sailfish-dep-counts.json)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://github.com/Kogia-sima/sailfish/blob/master/LICENSE)
 
 [User Guide](https://sailfish.netlify.app/en/) | [API Docs](https://docs.rs/sailfish) | [Examples](./examples)
diff --git a/scripts/count-dependencies.sh b/scripts/count-dependencies.sh
new file mode 100755
index 0000000..9160404
--- /dev/null
+++ b/scripts/count-dependencies.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+IFS=$'\n'
+PACKAGES=("sailfish" "sailfish-macros" "sailfish-compiler")
+
+git-root () {
+    if git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
+        cd `git rev-parse --show-toplevel`;
+    fi
+}
+
+get_dependencies() {
+    cargo tree -p "$1" | while read line; do
+        dev_dependencies_re="\[dev-dependencies\]"
+        crate_re="[a-zA-Z0-9_-]+ v[^ ]+"
+
+        if [[ "$line" =~ $crate_re ]]; then
+            echo ${BASH_REMATCH[0]}
+            continue
+        fi
+
+        if [[ "$line" =~ $dev_dependencies_re ]]; then
+            break
+        fi
+    done
+}
+
+remove_packages() {
+    local found
+
+    for dep in $@; do
+        found=0
+        for pkg in ${PACKAGES[@]}; do
+            pat="$pkg v[^ ]"
+            if [[ "$dep" =~ $pat ]]; then
+                found=1
+                break
+            fi
+        done
+
+        if [[ $found == 0 ]]; then
+            echo $dep
+        fi
+    done
+}
+
+# go to root directory
+cd `git rev-parse --show-toplevel`
+
+deps=()
+
+for pkg in ${PACKAGES[@]}; do
+    deps+=( `get_dependencies $pkg` )
+done
+
+deps=( $(printf "%s\n" "${deps[@]}" | sort -u) )
+
+remove_packages ${deps[*]} |wc -l