diff --git a/pyproject.toml b/pyproject.toml
index 922cea6..760c82d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,6 +41,8 @@ requires-python = ">=3.11"
 dependencies = [
   "click",
   "numpy",
+  "qdft",
+  "resampy",
   "soundfile",
   "stftpitchshift",
   "tqdm",
diff --git a/requirements.txt b/requirements.txt
index e63a1d6..87486d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,8 @@
 # install some additional packages
 click
 numpy
+qdft
+resampy
 soundfile
 stftpitchshift
 tqdm