diff --git a/_data/assetsversions.yml b/_data/assetsversions.yml
new file mode 100644
index 0000000..8d22c52
--- /dev/null
+++ b/_data/assetsversions.yml
@@ -0,0 +1,8 @@
+# bump this whenever you make changes to the corresponding .css/.js files in the assets folder
+fontawesome: 6.1.1
+highlightjs: 11.5.1
+foundation: 5.5.3
+main: 1
+jquery: 2.1.1
+modernizr: 3.7.0
+normalize: 3.0.3
diff --git a/_layouts/base.html b/_layouts/base.html
index 962880d..d459bee 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -7,16 +7,16 @@
{{ page.title }} | MonoDevelop
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