diff --git a/CHANGELOG.MD b/CHANGELOG.MD
new file mode 100644
index 0000000..b964a9c
--- /dev/null
+++ b/CHANGELOG.MD
@@ -0,0 +1,8 @@
+# Changelog
+
+## v0.1.1
+- Branching and traversing strategies take values not types
+
+## v0.1.0
+- BFS traverse strategy
+- First and MostInfeasible branching strategies
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index d39762f..4cefaf1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Bonobo"
 uuid = "f7b14807-3d4d-461a-888a-05dd4bca8bc3"
 authors = ["Ole Kroeger <o.kroeger@opensourc.es> and contributors"]
-version = "0.1.0"
+version = "0.1.1"
 
 [deps]
 DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
diff --git a/src/Bonobo.jl b/src/Bonobo.jl
index 8b2f316..7461702 100644
--- a/src/Bonobo.jl
+++ b/src/Bonobo.jl
@@ -178,8 +178,8 @@ Later it can be dispatched on `BnBTree{Node, Root, Solution}` for various method
 Return a [`BnBTree`](@ref) object which is the input for [`optimize!`](@ref).
 """
 function initialize(;
-    traverse_strategy = BFS,
-    branch_strategy = FIRST,
+    traverse_strategy = BFS(),
+    branch_strategy = FIRST(),
     atol = 1e-6,
     rtol = 1e-6,
     Node = DefaultNode,
@@ -198,7 +198,7 @@ function initialize(;
         get_branching_indices(root),
         0,
         sense,
-        Options(traverse_strategy(), branch_strategy(), atol, rtol)
+        Options(traverse_strategy, branch_strategy, atol, rtol)
     )
 end
 
@@ -398,6 +398,6 @@ end
 
 export BnBTree, BnBNodeInfo, AbstractNode, AbstractSolution
 
-export AbstractTraverseStrategy
+export AbstractTraverseStrategy, AbstractBranchStrategy
 
 end
diff --git a/test/end2end/mip.jl b/test/end2end/mip.jl
index 45bd5ea..2d0a872 100644
--- a/test/end2end/mip.jl
+++ b/test/end2end/mip.jl
@@ -96,7 +96,7 @@ end
     @objective(m, Max, x[1]+1.2x[2]+3.2x[3])
 
     bnb_model = BB.initialize(; 
-        traverse_strategy = BB.BFS,
+        traverse_strategy = BB.BFS(),
         Node = MIPNode,
         root = m,
         sense = objective_sense(m) == MOI.MAX_SENSE ? :Max : :Min
@@ -125,7 +125,7 @@ end
     @objective(m, Min, x[1]+1.2x[2]+3.2x[3])
 
     bnb_model = BB.initialize(; 
-        branch_strategy = BB.MOST_INFEASIBLE,
+        branch_strategy = BB.MOST_INFEASIBLE(),
         Node = MIPNode,
         root = m,
         sense = objective_sense(m) == MOI.MAX_SENSE ? :Max : :Min
diff --git a/test/unit/add_node.jl b/test/unit/add_node.jl
index 841a1d2..0723d2a 100644
--- a/test/unit/add_node.jl
+++ b/test/unit/add_node.jl
@@ -13,7 +13,7 @@ struct TestRoot end
     end
 
     bnb_model = BB.initialize(; 
-        branch_strategy = BB.MOST_INFEASIBLE,
+        branch_strategy = BB.MOST_INFEASIBLE(),
         root = TestRoot(),
         sense = :Min
     )