diff --git a/easybuild/easyconfigs/p/polars/polars-0.15.6-foss-2022a.eb b/easybuild/easyconfigs/p/polars/polars-0.15.6-foss-2022a.eb
index c3fec05dfb7..e423afe2c70 100644
--- a/easybuild/easyconfigs/p/polars/polars-0.15.6-foss-2022a.eb
+++ b/easybuild/easyconfigs/p/polars/polars-0.15.6-foss-2022a.eb
@@ -1,4 +1,4 @@
-easyblock = 'PythonBundle'
+easyblock = 'CargoPythonBundle'
 
 name = 'polars'
 version = '0.15.6'
@@ -39,14 +39,16 @@ exts_list = [
     ('xlsx2csv', '0.8.0', {
         'checksums': ['2c268e509b7766ca4a24f2f36302e918705c5ead2fcde3f4bd5f1ca6152f7e2c'],
     }),
-    ('deltalake', '0.6.4', {
-        'checksums': ['2f3cf70d67c17a7d5928c7da214ff795283f628311d91643602176dc50f7099e'],
+    ('deltalake', '0.7.0', {
+        'checksums': ['99c74b676abd010ee5375ca2a9d8b89385676171adbb3cd0e1068a4c67055de6'],
     }),
     (name, version, {
         'checksums': ['f6d27e88b46ddd88036869f066c12dd6877192d936430b43001e092529766cee'],
     }),
 ]
 
+offline=False
+
 sanity_check_paths = {
     'files': [],
     'dirs': ['lib/python%(pyshortver)s/site-packages'],