diff --git a/pyproject.toml b/pyproject.toml
index dbafb45d0..845aa6971 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,24 +18,25 @@ license = {file = "LICENSE.md"}
 requires-python = ">=3.10"
 dependencies = [
     'importlib_resources; python_version < "3.11"',
-    "fmriprep ~= 23.2.0",
-    "indexed_gzip >= 0.8.8",
+    "fmriprep <= 23.2",
+    "indexed_gzip <= 1.8",
     "looseversion",
     "networkx ~= 3.2.1",  # nipype needs networkx, but 3+ isn"t compatible with nipype 1.8.5
-    "nibabel >= 4.0.1",
-    "nipype >= 1.8.5",
-    "nitransforms >= 21.0.0",
-    "niworkflows ~= 1.10.0",
-    "numpy >= 1.22",
+    "nibabel <= 5.1",
+    "nilearn <= 0.10.2",
+    "nipype <= 1.8.6",
+    "nitransforms <= 23.0",
+    "niworkflows <= 1.10",
+    "numpy <= 1.26",
     "packaging",
     "pandas",
-    "psutil >= 5.4",
-    "pybids ~= 0.16.4",
+    "psutil <= 5.9",
+    "pybids <= 0.16",
     "requests",
-    "sdcflows ~= 2.8.0",
-    "sentry-sdk >= 0.6.9",
-    "smriprep ~= 0.13.1",
-    "templateflow >= 23.0.0",
+    "sdcflows <= 2.8",
+    "sentry-sdk <= 1.40",
+    "smriprep <= 0.13",
+    "templateflow <= 23.0",
     "toml",
 
 ]