diff --git a/Project.toml b/Project.toml
index 4eb47b1a..d3b3affc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -31,6 +31,7 @@ Makie = "ee78f7c6-11fb-53f2-987a-cfe4a2b5a57a"
 QuantumSavoryMakie = "Makie"
 
 [compat]
+Combinatorics = "1"
 ConcurrentSim = "1.4"
 DocStringExtensions = "0.9"
 Graphs = "1.7.3"
@@ -48,4 +49,5 @@ QuantumSymbolics = "0.2.4"
 Reexport = "1.2.2"
 ResumableFunctions = "0.6.1"
 Statistics = "1"
+SumTypes = "0.5"
 julia = "1.9"