diff --git a/Makefile b/Makefile
index e86d416..5d6bfcc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,11 @@
-JULIA := julia --color=yes --project=@.
+JULIA := julia --project=.
 SRC_FILES := $(wildcard src/*.jl test/*.jl)
 VERSION := 0.5
 
 all: docs test
 
 build/sysimage.so: src/sysimage.jl Project.toml Manifest.toml
-	mkdir -p build
-	$(JULIA) src/sysimage.jl
-
-build/test.log: $(SRC_FILES) build/sysimage.so
-	cd test; $(JULIA) --sysimage ../build/sysimage.so runtests.jl
+	@$(JULIA) src/sysimage.jl
 
 clean:
 	rm -rf build/*
@@ -20,7 +16,8 @@ docs:
 format:
 	julia -e 'using JuliaFormatter; format(["src", "test"], verbose=true);'
 
-test: build/test.log
+test:
+	@$(JULIA) --sysimage build/sysimage.so test/runtests.jl
 
 test-watch:
 	bash -c "while true; do make test --quiet; sleep 1; done"
diff --git a/src/sysimage.jl b/src/sysimage.jl
index 162a2fc..8cdeecf 100644
--- a/src/sysimage.jl
+++ b/src/sysimage.jl
@@ -1,15 +1,30 @@
 using PackageCompiler
+using TOML
+using Logging
 
-using Cbc
-using Clp
-using Geodesy
-using JSON
-using JSONSchema
-using JuMP
-using MathOptInterface
-using ProgressBars
+Logging.disable_logging(Logging.Info)
 
-pkg = [:Cbc, :Clp, :Geodesy, :JSON, :JSONSchema, :JuMP, :MathOptInterface, :ProgressBars]
+mkpath("build")
 
-@info "Building system image..."
-create_sysimage(pkg, sysimage_path = "build/sysimage.so")
+printstyled("Generating precompilation statements...\n", color=:light_green)
+run(`julia --project=. --trace-compile=build/precompile.jl $ARGS`)
+
+printstyled("Finding dependencies...\n", color=:light_green)
+project = TOML.parsefile("Project.toml")
+manifest = TOML.parsefile("Manifest.toml")
+deps = Symbol[]
+for dep in keys(project["deps"])
+    if "path" in keys(manifest[dep][1])
+        printstyled("    skip $(dep)\n", color=:light_black)
+    else
+        println("     add $(dep)")
+        push!(deps, Symbol(dep))
+    end
+end
+
+printstyled("Building system image...\n", color=:light_green)
+create_sysimage(
+    deps,
+    precompile_statements_file = "build/precompile.jl",
+    sysimage_path = "build/sysimage.so",
+)
diff --git a/test/model/resolve_test.jl b/test/model/resolve_test.jl
index f4d4e60..9021000 100644
--- a/test/model/resolve_test.jl
+++ b/test/model/resolve_test.jl
@@ -3,9 +3,11 @@
 
 using RELOG
 
+basedir = @__DIR__
+
 @testset "Resolve" begin
     # Shoud not crash
-    filename = "$(pwd())/../instances/s1.json"
+    filename = "$basedir/../../instances/s1.json"
     solution_old, model_old = RELOG.solve(filename, return_model = true)
     solution_new = RELOG.resolve(model_old, filename)
 end
diff --git a/test/reports_test.jl b/test/reports_test.jl
index 684a4cf..9193977 100644
--- a/test/reports_test.jl
+++ b/test/reports_test.jl
@@ -4,9 +4,11 @@
 
 using RELOG, JSON, GZip
 
+basedir = @__DIR__
+
 @testset "Reports" begin
     @testset "from solve" begin
-        solution = RELOG.solve("$(pwd())/../instances/s1.json")
+        solution = RELOG.solve("$basedir/../instances/s1.json")
         tmp_filename = tempname()
         # The following should not crash
         RELOG.write_plant_emissions_report(solution, tmp_filename)