diff --git a/Project.toml b/Project.toml
index f88527ff..9513c216 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,6 +21,7 @@ Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [weakdeps]
+Conda = "8f4d0f93-b110-5947-807f-2305c1781a2d"
 Makie = "ee78f7c6-11fb-53f2-987a-cfe4a2b5a57a"
 MeshCat = "283c5d60-a78f-5afe-a0af-af636b173e11"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
@@ -45,6 +46,7 @@ GridVisualizeVTKViewExt = "VTKView"
 CairoMakie = "0.11, 0.12, 0.13, 0.14, 0.15"
 ColorSchemes = "3"
 Colors = "0.12,0.13,1"
+Conda = "1"
 DocStringExtensions = "0.8,0.9"
 ElasticArrays = "1"
 ExtendableGrids = "1.17"
@@ -81,4 +83,4 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Triangulate = "f7e6ffb2-c36d-4f8f-a77e-16e897189344"
 
 [targets]
-test = ["CairoMakie", "ExtendableGrids", "Pkg", "PlutoVista", "PyPlot", "Term", "Test", "Triangulate", "UnicodePlots"]
+test = ["CairoMakie", "ExtendableGrids", "Pkg", "PlutoVista", "PyPlot", "Term", "Test", "Triangulate", "UnicodePlots", "Conda"]
diff --git a/docs/Project.toml b/docs/Project.toml
index ad22c93b..eeefc695 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -1,5 +1,6 @@
 [deps]
 CairoMakie = "13f3f980-e62b-5c42-98c6-ff1f3baf88f0"
+Conda = "8f4d0f93-b110-5947-807f-2305c1781a2d"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 ExampleJuggler = "3bbe58f8-ed81-4c4e-a134-03e85fcf4a1a"
@@ -19,3 +20,6 @@ Revise = "295af30f-e4ad-537b-8983-00126c2a3abe"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Triangulate = "f7e6ffb2-c36d-4f8f-a77e-16e897189344"
 VTKView = "955f2c64-5fd0-11e9-0ad0-3332e913311a"
+
+[sources]
+GridVisualize = {path = ".."}
diff --git a/docs/make.jl b/docs/make.jl
index 9bca9864..5392d32e 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -2,8 +2,13 @@ using Documenter, GridVisualize
 import PlutoSliderServer # LoadError: Please import/use PlutoSliderServer.jl in order to use docplutonotebooks with `iframe=true`
 using ExampleJuggler
 import CairoMakie, PlutoVista, MeshCat, VTKView # for docstrings and graphics generated by documentet
+using Conda
+Conda.add("matplotlib")
+ENV["MPLBACKEND"] = "agg"
 import Plots, PyPlot # for docstrings only
 using ExtendableGrids
+
+
 ExampleJuggler.verbose!(true)
 using Test
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 965174b1..6113fc47 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,5 +1,10 @@
 using Test, ExtendableGrids, GridVisualize, Pkg, LinearAlgebra
 
+using Conda
+Conda.add("matplotlib")
+ENV["MPLBACKEND"] = "agg"
+
+
 import CairoMakie, PyPlot, PlutoVista, UnicodePlots, Term
 
 CairoMakie.activate!(; type = "svg", visible = false)