diff --git a/CHANGELOG b/CHANGELOG
index 991f78a..2510dc8 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,6 @@
 0.2.1
  - fix: cast string to paths when adding a new path to the manager (#6)
+ - setup: bump dcnum from 0.16.8 to 0 17.2
 0.2.0
  - feat: allow to specify an output directory in the GUI (#3)
  - feat: allow to select the pixel size in the GUI (#4)
diff --git a/pyproject.toml b/pyproject.toml
index 85b9588..6354ec6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 ]
 license = {text = "GPL version 3.0 or later"}
 dependencies = [
-    "dcnum>=0.16.8",
+    "dcnum>=0.17.2",
     "h5py>=3.0.0, <4",
     "numpy>=1.21, <2",  # CVE-2021-33430
 ]