diff --git a/Project.toml b/Project.toml
index 51da1b1d..d423d9f9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -66,7 +66,7 @@ XLSX = "fdbf4ff8-1666-58a4-91e7-1b58723a45e0"
 YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 
 [compat]
-AffineInvariantMCMC = "1.2.2, 2"
+AffineInvariantMCMC = "1.2.3, 2"
 Anasol = "1"
 BIGUQ = "1"
 BlackBoxOptim = "0.5, 0.6, 0.7"