diff --git a/Project.toml b/Project.toml
index d75dc3cb2..101013434 100644
--- a/Project.toml
+++ b/Project.toml
@@ -91,7 +91,7 @@ LineSearch = "0.1.4"
 LineSearches = "7.3"
 LinearAlgebra = "1.10"
 LinearSolve = "2.36.1, 3"
-MINPACK = "1.2"
+MINPACK = "= 1.2"
 MPI = "0.20.22"
 NLSolvers = "0.5"
 NLsolve = "4.5"