diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3f8d2bb..49aa8c8 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -16,9 +16,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
+          - 'min'
+          - 'lts'
           - '1'
-          # - 'nightly'
+          - 'pre'
         os:
           - ubuntu-latest
         arch:
diff --git a/Project.toml b/Project.toml
index d88824d..96e82a0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -5,8 +5,8 @@ version = "0.2.4"
 [deps]
 ArnoldiMethod = "ec485272-7323-5ecc-a04f-4719b315124d"
 DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
+Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
-LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 ProgressLogging = "33c8b6b6-d38a-422a-b730-caa89a2f386c"
@@ -17,9 +17,9 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 ArnoldiMethod = "0.0.4, 0.4"
 DelimitedFiles = "1"
+Graphs = "1"
 LaTeXStrings = "1.1"
-LightGraphs = "1.3"
-Plots = "= 1.4"
+Plots = "1.4"
 ProgressLogging = "0.1"
 SimpleWeightedGraphs = "1.1"
-julia = "1.3"
+julia = "1.9"
diff --git a/src/ConScape.jl b/src/ConScape.jl
index 2228a5d..6fb3ea9 100644
--- a/src/ConScape.jl
+++ b/src/ConScape.jl
@@ -1,7 +1,7 @@
 module ConScape
 
     using SparseArrays, LinearAlgebra
-    using LightGraphs, Plots, SimpleWeightedGraphs, ProgressLogging, ArnoldiMethod
+    using Graphs, Plots, SimpleWeightedGraphs, ProgressLogging, ArnoldiMethod
 
     abstract type ConnectivityFunction <: Function end
     abstract type DistanceFunction <: ConnectivityFunction end
diff --git a/src/grid.jl b/src/grid.jl
index a2490d7..e79e676 100644
--- a/src/grid.jl
+++ b/src/grid.jl
@@ -196,7 +196,7 @@ julia> ConScape.is_strongly_connected(grid)
 false
 ```
 """
-LightGraphs.is_strongly_connected(g::Grid) = is_strongly_connected(SimpleWeightedDiGraph(g.affinities))
+Graphs.is_strongly_connected(g::Grid) = is_strongly_connected(SimpleWeightedDiGraph(g.affinities))
 
 """
     largest_subgraph(g::Grid)::Grid