diff --git a/Project.toml b/Project.toml
index 72f1163..3e3926e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -63,7 +63,7 @@ RuntimeGeneratedFunctions = "0.5"
 SampleChains = "0.5"
 SimpleGraphs = "= 0.7.18"
 SimplePartitions = "0.2, 0.3"
-SimplePosets = "= 0.1.5"
+SimplePosets = "= 0.1.5, 0.2"
 SpecialFunctions = "1, 2"
 Static = "0.5, 0.6"
 StatsBase = "0.33"