diff --git a/readme.md b/readme.md
index 71d3332..f6bc4f8 100644
--- a/readme.md
+++ b/readme.md
@@ -193,11 +193,11 @@ expected to be introduced in Scala 3 soon to provide better safety.
 [![Mosquito](https://github.com/propensive/mosquito/raw/main/doc/images/128x128.png)](https://github.com/propensive/mosquito/) 
 [![Nectary](https://github.com/propensive/nectary/raw/main/doc/images/128x128.png)](https://github.com/propensive/nectary/) 
 [![Nettlesome](https://github.com/propensive/nettlesome/raw/main/doc/images/128x128.png)](https://github.com/propensive/nettlesome/) 
-[![Nonagenarian](https://github.com/propensive/nonagenarian/raw/main/doc/images/128x128.png)](https://github.com/propensive/nonagenarian/) 
+[![Octagenarian](https://github.com/propensive/octogenarian/raw/main/doc/images/128x128.png)](https://github.com/propensive/octogenarian/) 
 [![Oubliette](https://github.com/propensive/oubliette/raw/main/doc/images/128x128.png)](https://github.com/propensive/oubliette/) 
 [![Panopticon](https://github.com/propensive/panopticon/raw/main/doc/images/128x128.png)](https://github.com/propensive/panopticon/) 
 [![Parasite](https://github.com/propensive/parasite/raw/main/doc/images/128x128.png)](https://github.com/propensive/parasite/) 
-[![Perforate](https://github.com/propensive/perforate/raw/main/doc/images/128x128.png)](https://github.com/propensive/perforate/) 
+[![Contingency](https://github.com/propensive/contingency/raw/main/doc/images/128x128.png)](https://github.com/propensive/contingency/) 
 [![Polyvinyl](https://github.com/propensive/polyvinyl/raw/main/doc/images/128x128.png)](https://github.com/propensive/polyvinyl/) 
 [![Probably](https://github.com/propensive/probably/raw/main/doc/images/128x128.png)](https://github.com/propensive/probably/) 
 [![Profanity](https://github.com/propensive/profanity/raw/main/doc/images/128x128.png)](https://github.com/propensive/profanity/)