diff --git a/Project.toml b/Project.toml
index 47d4a23..631b235 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Jadex"
 uuid = "302b6ea9-03d1-47d0-b3e6-7bc5ec1c11d5"
 authors = ["Brian Svoboda <brian.e.svoboda@gmail.com> and contributors"]
-version = "0.3.2"
+version = "0.3.3"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
@@ -10,6 +10,7 @@ Interpolations = "a98d9a8b-a2ab-59e6-89dd-64a1c18fca59"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Logging = "56ddb016-857b-54e1-b83d-db4d58db5568"
 LoopVectorization = "bdcacae8-1622-11e9-2a5c-532679323890"
+PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 RecursiveFactorization = "f2c3362d-daeb-58d1-803e-2bc74f2840b4"
 
 [compat]
diff --git a/src/Jadex.jl b/src/Jadex.jl
index 34270cf..838044c 100644
--- a/src/Jadex.jl
+++ b/src/Jadex.jl
@@ -23,4 +23,6 @@ using .RunDefinition
 using .EscapeProbability
 using .GridRunner
 
+include("precompile.jl")
+
 end
diff --git a/src/precompile.jl b/src/precompile.jl
new file mode 100644
index 0000000..9c09ab5
--- /dev/null
+++ b/src/precompile.jl
@@ -0,0 +1,18 @@
+using PrecompileTools
+
+@setup_workload begin
+    datadir = joinpath(pkgdir(Jadex), "test", "data")
+    @compile_workload begin
+        βlvg(0.5)
+        βslab(0.5)
+        βsphere(0.5)
+        mol = Specie("hco+", datadir=datadir)
+        rdf = RunDef(mol, density=Dict("h2" => 1e4))
+        sol = Solution(rdf)
+        solve!(sol, rdf)
+        reset!(sol)
+        solve(rdf)
+        get_results(rdf)
+        get_results(sol, rdf)
+    end
+end
diff --git a/test/profile.jl b/test/profile.jl
index 225afd9..481a039 100644
--- a/test/profile.jl
+++ b/test/profile.jl
@@ -10,7 +10,7 @@ using Jadex.RunDefinition: get_collision_rates
 
 
 function get_test_data(;reduced=false)
-    datadir = joinpath(@__DIR__, "data")
+    datadir = joinpath(pkgdir(Jadex), "test", "data")
     mol = Specie("hco+", datadir=datadir)
     bg  = blackbody_background(mol, tbg=2.730)
     rdf = RunDef(mol, density=Dict("h2" => 1e4), tkin=20.0, cdmol=1e13,
diff --git a/test/runtests.jl b/test/runtests.jl
index f82a4c2..0c2dfd4 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,6 +1,7 @@
 using Test
 using Logging
 
+using Jadex
 using Jadex.Solver
 using Jadex.ReadData
 using Jadex.Background
@@ -9,7 +10,7 @@ using Jadex.EscapeProbability
 using Jadex.GridRunner
 
 
-const TEST_DATA_DIR = joinpath(@__DIR__, "data")
+const TEST_DATA_DIR = joinpath(pkgdir(Jadex), "test", "data")
 
 Logging.disable_logging(Logging.Info)