diff --git a/conda/meta.yaml b/conda/meta.yaml
index edc43b3ef4c00e6c0f10be92b788f43e8ac88237..45a60d0854a69dc10e21f6b01caa519dbdeda6c4 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -28,14 +28,14 @@ requirements:
     - docopt {{ docopt }}
     - scikit-image {{ scikit_image }}
     - matplotlib {{ matplotlib }}
-    - clapp
+    - clapper
     - bob.io.base
     - bob.bio.base
 
   run:
     - python
     - setuptools
-    - clapp
+    - clapper
     - bob.io.base
     - bob.bio.base
     - {{ pin_compatible('numpy') }}
diff --git a/pyproject.toml b/pyproject.toml
index 3e0f3ac755887f3c94827ae0a931165d86c5ab4b..9953aa26a62c63ea09e05126992a7c31b0066b01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@
         "docopt",
         "scikit-image",
         "matplotlib",
-        "clapp",
+        "clapper",
         "bob.io.base",
         "bob.bio.base",
     ]
diff --git a/src/bob/bio/vein/database/utfvp.py b/src/bob/bio/vein/database/utfvp.py
index cce9ad25a1145f1e4e2e8fb9a3b1348b7ede7559..16176753c23a485c1c38e033a479e442a00a50d0 100644
--- a/src/bob/bio/vein/database/utfvp.py
+++ b/src/bob/bio/vein/database/utfvp.py
@@ -6,7 +6,7 @@
   Utfvp database implementation
 """
 
-from clapp.rc import UserDefaults
+from clapper.rc import UserDefaults
 from sklearn.pipeline import make_pipeline
 
 import bob.io.base
diff --git a/src/bob/bio/vein/database/verafinger_contactless.py b/src/bob/bio/vein/database/verafinger_contactless.py
index 26ceb91dda5b685b472a2132ea71b0cf5678e429..5077fe95fa51ee54ff0f288d8727eee8258fafba 100644
--- a/src/bob/bio/vein/database/verafinger_contactless.py
+++ b/src/bob/bio/vein/database/verafinger_contactless.py
@@ -6,7 +6,7 @@
   VERA-Fingervein-Contactless database implementation
 """
 
-from clapp.rc import UserDefaults
+from clapper.rc import UserDefaults
 
 import bob.io.base
 
diff --git a/src/bob/bio/vein/script/blame.py b/src/bob/bio/vein/script/blame.py
index bda0e923331dce1050ec2ad119374b8a6a0fa9a7..752ae5dc104340201427df28331cd79ddf3bb8ab 100644
--- a/src/bob/bio/vein/script/blame.py
+++ b/src/bob/bio/vein/script/blame.py
@@ -37,10 +37,10 @@ Examples:
 import os
 import sys
 
-import clapp.logging
+import clapper.logging
 import numpy
 
-logger = clapp.logging.setup("bob.bio.vein")
+logger = clapper.logging.setup("bob.bio.vein")
 
 
 def main(user_input=None):
@@ -65,7 +65,7 @@ def main(user_input=None):
 
     # Sets-up logging
     verbosity = int(args["--verbose"])
-    clapp.logging.set_verbosity_level(logger, verbosity)
+    clapper.logging.set_verbosity_level(logger, verbosity)
 
     # validates number of cases
     cases = int(args["--cases"])
diff --git a/src/bob/bio/vein/script/compare_rois.py b/src/bob/bio/vein/script/compare_rois.py
index 07f63e0bc293a178d81ef1e4610e3727cfdf8d0d..558b886217102cd2c053fc3fc48a7ef6f5bdb3e3 100644
--- a/src/bob/bio/vein/script/compare_rois.py
+++ b/src/bob/bio/vein/script/compare_rois.py
@@ -48,11 +48,11 @@ import operator
 import os
 import sys
 
-import clapp.logging
+import clapper.logging
 import h5py
 import numpy
 
-logger = clapp.logging.setup("bob.bio.vein")
+logger = clapper.logging.setup("bob.bio.vein")
 
 
 def make_catalog(d):
@@ -157,7 +157,7 @@ def main(user_input=None):
 
     # Sets-up logging
     verbosity = int(args["--verbose"])
-    clapp.logging.set_verbosity_level(logger, verbosity)
+    clapper.logging.set_verbosity_level(logger, verbosity)
 
     # Catalogs
     gt = make_catalog(args["<ground-truth>"])
diff --git a/src/bob/bio/vein/script/validate.py b/src/bob/bio/vein/script/validate.py
index 937418e90f9aec47fd48f51de55b1dc10fe9b7ed..92a72bacd9e075d67247c2fe14e40ef028d86c5d 100644
--- a/src/bob/bio/vein/script/validate.py
+++ b/src/bob/bio/vein/script/validate.py
@@ -36,9 +36,9 @@ def setup_logger(name, level):
 
     """
 
-    import clapp.logging
+    import clapper.logging
 
-    logger = clapp.logging.setup(name)
+    logger = clapper.logging.setup(name)
 
     if not (0 <= level < 4):
         raise schema.SchemaError(
@@ -46,7 +46,7 @@ def setup_logger(name, level):
         )
 
     # Sets-up logging
-    clapp.logging.set_verbosity_level(logger, level)
+    clapper.logging.set_verbosity_level(logger, level)
 
     return logger
 
diff --git a/src/bob/bio/vein/script/view_sample.py b/src/bob/bio/vein/script/view_sample.py
index 9bc5041161ed9d133184d0f0fd175462b14ed9e6..fc136565895b2a2986c9f8f8210a734f8154dc3c 100644
--- a/src/bob/bio/vein/script/view_sample.py
+++ b/src/bob/bio/vein/script/view_sample.py
@@ -46,13 +46,13 @@ Examples:
 import os
 import sys
 
-import clapp.logging
+import clapper.logging
 import docopt
 import h5py
 import numpy
 import schema
 
-logger = clapp.logging.setup("bob.bio.vein")
+logger = clapper.logging.setup("bob.bio.vein")
 
 import matplotlib.pyplot as mpl