fix compat

Author: j-fu

Project.toml

@@ -19,12 +19,13 @@ UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 
 [compat]
 DocStringExtensions = "0.8.0,0.9"
+IterativeSolvers = "0.9.2"
 LinearSolve = "1.23"
-Requires = "^1.1.3"
+Requires = "1.1.3"
 Setfield = "0.7, 0.8, 1"
 SciMLBase="1.49"
 UnPack = "1"
-julia = "^1.6"
+julia = "1.6"
 
 [extras]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"