diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 2f7759c..4055bf5 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         version:
           #- '1.0'
-          - '1.9'
+          - '1.10.3'
           #- 'nightly'
         os:
           - ubuntu-latest
@@ -34,7 +34,9 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v1
-      - name: Install TuLiPa Package
-        run: julia -e 'using Pkg; Pkg.add(url = "https://github.com/NVE/TuLiPa.git", rev = "redesign_JulES")'
+      - name: Add TuLiPa from GitHub URL
+        run: julia --project=@. -e 'using Pkg; Pkg.develop(PackageSpec(url = "https://github.com/NVE/TuLiPa.git"))'
+      - name: Instantiate Environment
+        run: julia --project=@. -e 'using Pkg; Pkg.instantiate()'
       - uses: julia-actions/julia-buildpkg@v1
-      - uses: julia-actions/julia-runtest@v1
\ No newline at end of file
+      - uses: julia-actions/julia-runtest@v1
diff --git a/Project.toml b/Project.toml
index 0704bf4..7eca464 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,11 +23,11 @@ ComponentArrays = "b0b7db55-cfe3-40fc-9ded-d10e2dbeff66"
 Interpolations = "a98d9a8b-a2ab-59e6-89dd-64a1c18fca59"
 
 [compat]
-julia = "1.9.2"
+julia = "1.10.3"
 OrdinaryDiffEq = "6.66.0"
 ComponentArrays = "0.15.17"
 Interpolations = "0.16.1"
 JLD2 = "0.5.15"
 
 [extensions]
-IfmExt = ["ComponentArrays", "Interpolations", "JLD2", "OrdinaryDiffEq"]
\ No newline at end of file
+IfmExt = ["ComponentArrays", "Interpolations", "JLD2", "OrdinaryDiffEq"]
diff --git a/src/io.jl b/src/io.jl
index d1e39a1..e40ba9b 100644
--- a/src/io.jl
+++ b/src/io.jl
@@ -1705,7 +1705,7 @@ function get_output_main_local()
 
         data["batnames"] = batterynames
         data["batmatrix"] = db.output.batterylevels
-        data["batindex"] =  x2
+        data["batindex"] =  x1
 
         data["statenames"] = db.output.statenames
         data["statematrix"] = permutedims(db.output.statematrix)