diff --git a/blog/posts/152-cpp-optimizations-series.cfg b/blog/posts/0152-cpp-optimizations-series.cfg
similarity index 100%
rename from blog/posts/152-cpp-optimizations-series.cfg
rename to blog/posts/0152-cpp-optimizations-series.cfg
diff --git a/blog/posts/152-cpp-optimizations-series.html b/blog/posts/0152-cpp-optimizations-series.html
similarity index 100%
rename from blog/posts/152-cpp-optimizations-series.html
rename to blog/posts/0152-cpp-optimizations-series.html