diff --git a/action.yml b/action.yml
index 68a7821..7869774 100644
--- a/action.yml
+++ b/action.yml
@@ -35,6 +35,9 @@ inputs:
   compiled_modules:
     description: 'Whether to run tests with `compiled-modules`. For possible values, refer to https://docs.julialang.org/en/v1/manual/command-line-interface/#command-line-interface'
     default: 'yes'
+  allow_reresolve:
+    description: 'Whether to allow re-resolving of package versions in the test environment. Only effective on Julia 1.9+. Options: true | false. Default value: true'
+    default: 'true'
 
 runs:
   using: 'composite'
@@ -70,3 +73,4 @@ runs:
         FORCE_LATEST_COMPATIBLE_VERSION: ${{ inputs.force_latest_compatible_version }}
         CHECK_BOUNDS: ${{ inputs.check_bounds }}
         COMPILED_MODULES: ${{ inputs.compiled_modules }}
+        ALLOW_RERESOLVE: ${{ inputs.allow_reresolve }}
diff --git a/kwargs.jl b/kwargs.jl
index 2a3c36b..03992af 100644
--- a/kwargs.jl
+++ b/kwargs.jl
@@ -6,6 +6,7 @@ include(joinpath(@__DIR__, "autodetect-dependabot.jl"))
 
 function kwargs(; coverage,
                   force_latest_compatible_version,
+                  allow_reresolve,
                   julia_args::AbstractVector{<:AbstractString}=String[])
     if coverage isa AbstractString
         coverage = parse(Bool, coverage)
@@ -51,6 +52,10 @@ function kwargs(; coverage,
         kwargs_dict[:force_latest_compatible_version] = force_latest_compatible_version::Bool
     end
 
+    if VERSION >= v"1.9"
+        kwargs_dict[:allow_reresolve] = parse(Bool, allow_reresolve)
+    end
+
     return kwargs_dict
 end
 
diff --git a/test_harness.jl b/test_harness.jl
index 90f7317..56d2757 100644
--- a/test_harness.jl
+++ b/test_harness.jl
@@ -2,6 +2,7 @@ import Pkg
 include("kwargs.jl")
 kwargs = Kwargs.kwargs(; coverage=ENV["COVERAGE"],
                          force_latest_compatible_version=ENV["FORCE_LATEST_COMPATIBLE_VERSION"],
+                         allow_reresolve=ENV["ALLOW_RERESOLVE"],
                          julia_args=[string("--check-bounds=", ENV["CHECK_BOUNDS"]),
                                      string("--compiled-modules=", ENV["COMPILED_MODULES"])])
 
@@ -11,7 +12,7 @@ if parse(Bool, ENV["ANNOTATE"]) && v"1.8pre" < VERSION < v"1.9.0-beta3"
     global_logger(GitHubActionsLogger())
     include("test_logger.jl")
     pop!(LOAD_PATH)
-    TestLogger.test(; kwargs...)        
+    TestLogger.test(; kwargs...)
 else
-    Pkg.test(; kwargs...)        
+    Pkg.test(; kwargs...)
 end