diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000..700707ced
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f944cc186..858916c43 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,19 +27,16 @@ jobs:
           - ubuntu-latest
           - macOS-latest
           - windows-latest
-        arch:
-          - x64
     steps:
       - uses: actions/checkout@v4
-      - uses: julia-actions/cache@v1
-      - uses: julia-actions/setup-julia@v1
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
           token: ${{secrets.CODECOV_TOKEN}}
diff --git a/test/Project.toml b/test/Project.toml
index c72d8eea0..ea1fbf19c 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -32,6 +32,6 @@ Thermodynamics = "b60c26fb-14c3-4610-9d3e-2d17fe7ff00c"
 [compat]
 ClimaParams = "0.10.6"
 EnsembleKalmanProcesses = "1.1.5"
-MLJFlux = "0.4"
 KernelAbstractions = "0.9"
+MLJFlux = "0.4"
 Optim = "<1.9.3"
diff --git a/test/ice_nucleation_calibration.jl b/test/ice_nucleation_calibration.jl
index a87204ce9..cf90f688d 100644
--- a/test/ice_nucleation_calibration.jl
+++ b/test/ice_nucleation_calibration.jl
@@ -28,22 +28,21 @@ function test_J_calibration(FT, IN_mode)
         run_calibrated_model(FT, IN_mode, calibrated_parameters, params, IC)
     true_soln = run_calibrated_model(FT, IN_mode, coeff_true, params, IC)
 
-
-    # test that coeffs are close to "true" values
+    # test that coeffs are close to "true" values and that end ICNC are similar
     if IN_mode == "ABDINM"
         TT.@test calibrated_parameters[1] ≈ coeff_true[1] rtol = FT(0.3)
-        TT.@test calibrated_parameters[2] ≈ coeff_true[2] atol = FT(3)
+        TT.@test calibrated_parameters[2] ≈ coeff_true[2] rtol = FT(1.5)
+        TT.@test calibrated_soln[9, end] ≈ true_soln[9, end] rtol = FT(0.3)
     elseif IN_mode == "ABIFM"
         TT.@test calibrated_parameters[1] ≈ coeff_true[1] rtol = FT(0.3)
-        TT.@test calibrated_parameters[2] ≈ coeff_true[2] atol = FT(7)
+        TT.@test calibrated_parameters[2] ≈ coeff_true[2] rtol = FT(0.3)
+        TT.@test calibrated_soln[9, end] ≈ true_soln[9, end] rtol = FT(0.3)
     elseif IN_mode == "ABHOM"
         TT.@test calibrated_parameters[1] ≈ coeff_true[1] rtol = FT(0.3)
-        TT.@test calibrated_parameters[2] ≈ coeff_true[2] atol = FT(20)
+        TT.@test calibrated_parameters[2] ≈ coeff_true[2] rtol = FT(0.3)
+        TT.@test calibrated_soln[9, end] ≈ true_soln[9, end] rtol = FT(0.3)
     end
 
-    # test that resulting ICNC are similar
-    TT.@test (calibrated_soln[9, end] ./ (IC[7] + IC[8] + IC[9])) ≈
-             (true_soln[9, end] ./ (IC[7] + IC[8] + IC[9])) rtol = FT(0.1)
 end
 
 @info "Ice Nucleation Calibration Test"