diff --git a/Project.toml b/Project.toml
index d40841e..e9aa679 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,10 +20,13 @@ YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 [compat]
 FunctionWrappers = "1.1.2"
 NLsolve = "4.5.1"
+Optim = "1.9.3"
 OrderedCollections = "1.4.1"
+Plots = "1.40.3"
 PolynomialRoots = "1.0.0"
 QuantumOptics = "0.8.0, 1"
 WignerSymbols = "1.0.0, 2"
+YAML = "0.4.9"
 julia = "1.3"
 
 [extras]