diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 77a29d2..f1924cc 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -31,12 +31,12 @@ Python_add_library(_core MODULE WITH_SOABI
   src/bindings/python_bindings.cpp
   src/seqwin/graph.cpp
   src/seqwin/helpers.cpp
-  src/btllib/minimizer.cpp
+  vendor/btllib/minimizer.cpp
   src/seqwin/fasta_reader.cpp
-  src/btllib/status.cpp
+  vendor/btllib/status.cpp
 )
 
-target_include_directories(_core PRIVATE include "${PYBIND11_INCLUDE}")
+target_include_directories(_core PRIVATE include vendor "${PYBIND11_INCLUDE}")
 target_link_libraries(_core PRIVATE Python::Module zlibstatic)
 target_compile_definitions(_core PRIVATE PYBIND11_DETAILED_ERROR_MESSAGES)
 
diff --git a/cpp/LICENSE b/cpp/vendor/btllib/LICENSE
similarity index 100%
rename from cpp/LICENSE
rename to cpp/vendor/btllib/LICENSE
diff --git a/cpp/include/btllib/hashing_internals.hpp b/cpp/vendor/btllib/hashing_internals.hpp
similarity index 100%
rename from cpp/include/btllib/hashing_internals.hpp
rename to cpp/vendor/btllib/hashing_internals.hpp
diff --git a/cpp/src/btllib/minimizer.cpp b/cpp/vendor/btllib/minimizer.cpp
similarity index 100%
rename from cpp/src/btllib/minimizer.cpp
rename to cpp/vendor/btllib/minimizer.cpp
diff --git a/cpp/include/btllib/minimizer.hpp b/cpp/vendor/btllib/minimizer.hpp
similarity index 100%
rename from cpp/include/btllib/minimizer.hpp
rename to cpp/vendor/btllib/minimizer.hpp
diff --git a/cpp/include/btllib/nthash.hpp b/cpp/vendor/btllib/nthash.hpp
similarity index 100%
rename from cpp/include/btllib/nthash.hpp
rename to cpp/vendor/btllib/nthash.hpp
diff --git a/cpp/include/btllib/nthash_kmer.hpp b/cpp/vendor/btllib/nthash_kmer.hpp
similarity index 100%
rename from cpp/include/btllib/nthash_kmer.hpp
rename to cpp/vendor/btllib/nthash_kmer.hpp
diff --git a/cpp/include/btllib/nthash_seed.hpp b/cpp/vendor/btllib/nthash_seed.hpp
similarity index 100%
rename from cpp/include/btllib/nthash_seed.hpp
rename to cpp/vendor/btllib/nthash_seed.hpp
diff --git a/cpp/src/btllib/status.cpp b/cpp/vendor/btllib/status.cpp
similarity index 100%
rename from cpp/src/btllib/status.cpp
rename to cpp/vendor/btllib/status.cpp
diff --git a/cpp/include/btllib/status.hpp b/cpp/vendor/btllib/status.hpp
similarity index 100%
rename from cpp/include/btllib/status.hpp
rename to cpp/vendor/btllib/status.hpp