diff --git a/Makefile b/Makefile
index c2a14b5..136dcfc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,19 @@
 PYTEST_ARGS := -W ignore::DeprecationWarning -vv -x --log-level=DEBUG
-JULIA := julia --color=yes --project=src/julia
+JULIA := julia --color=yes --project=src/julia --sysimage build/sysimage.so
 
 all: docs test
 
+build/sysimage.so: src/julia/Manifest.toml src/julia/Project.toml
+	mkdir -p build
+	julia --color=yes --project=src/julia src/julia/sysimage.jl
+
 develop:
 	cd src/python && python setup.py develop
 	$(JULIA) -e "using Pkg; Pkg.instantiate()"
 
+docs:
+	mkdocs build
+
 install:
 	cd src/python && python setup.py install
 	$(JULIA) -e "using Pkg; Pkg.instantiate()"
@@ -14,18 +21,15 @@ install:
 uninstall:
 	pip uninstall miplearn
 
-docs:
-	mkdocs build
-
 test: test-python test-julia
 
 test-python:
 	cd src/python && pytest $(PYTEST_ARGS)
 
-test-julia:
-	$(JULIA) -e 'using Pkg; Pkg.test("MIPLearn")'
-
-test-watch:
+test-python-watch:
 	cd src/python && pytest-watch -- $(PYTEST_ARGS)
 
+test-julia: build/sysimage.so
+	$(JULIA) src/julia/test/runtests.jl
+
 .PHONY: test test-python test-julia test-watch docs
diff --git a/src/julia/Manifest.toml b/src/julia/Manifest.toml
index 8362993..466309d 100644
--- a/src/julia/Manifest.toml
+++ b/src/julia/Manifest.toml
@@ -243,6 +243,12 @@ git-tree-sha1 = "c4c13474d23c60d20a67b217f1d7f22a40edf8f1"
 uuid = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 version = "1.1.0"
 
+[[PackageCompiler]]
+deps = ["Libdl", "Pkg", "UUIDs"]
+git-tree-sha1 = "98aa9c653e1dc3473bb5050caf8501293db9eee1"
+uuid = "9b87118b-4619-50d2-8e1e-99f35a4d4d9d"
+version = "1.2.1"
+
 [[Parsers]]
 deps = ["Dates", "Test"]
 git-tree-sha1 = "75d07cb840c300084634b4991761886d0d762724"
diff --git a/src/julia/Project.toml b/src/julia/Project.toml
index 425a703..1db2064 100644
--- a/src/julia/Project.toml
+++ b/src/julia/Project.toml
@@ -9,6 +9,7 @@ CPLEXW = "cfecb002-79c2-11e9-35be-cb59aa640f85"
 Gurobi = "2e9cd046-0924-5485-92f1-d5272153d98b"
 JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
+PackageCompiler = "9b87118b-4619-50d2-8e1e-99f35a4d4d9d"
 PyCall = "438e738f-606a-5dbb-bf0a-cddfbfd45ab0"
 Revise = "295af30f-e4ad-537b-8983-00126c2a3abe"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/src/julia/sysimage.jl b/src/julia/sysimage.jl
new file mode 100644
index 0000000..b5def82
--- /dev/null
+++ b/src/julia/sysimage.jl
@@ -0,0 +1,22 @@
+using PackageCompiler
+
+using CPLEX
+using CPLEXW
+using Gurobi
+using JuMP
+using MathOptInterface
+using PyCall
+using TimerOutputs
+using TinyBnB
+
+pkg = [:CPLEX
+       :CPLEXW
+       :Gurobi
+       :JuMP
+       :MathOptInterface
+       :PyCall
+       :TimerOutputs
+       :TinyBnB]
+
+@info "Building system image..."
+create_sysimage(pkg, sysimage_path="build/sysimage.so")
\ No newline at end of file