diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index c84b774..d99dbf7 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -9,6 +9,7 @@
 
 * Update for ldap3 2.x.
 * Rename project to ldap-passwd-webui.
+* Use `logging` module for logging instead of `print()`.
 
 
 == link:{tags}/v1.0.0[1.0.0] (2017-06-06)
diff --git a/app.py b/app.py
index 3086212..7c89315 100755
--- a/app.py
+++ b/app.py
@@ -8,9 +8,13 @@
 from ldap3 import SIMPLE, SUBTREE
 from ldap3.core.exceptions import LDAPBindError, LDAPConstraintViolationResult, \
     LDAPInvalidCredentialsResult, LDAPUserNameIsMandatoryError
+import logging
 import os
 from os import path
 
+LOG = logging.getLogger(__name__)
+LOG_FORMAT = '%(asctime)s %(levelname)s: %(message)s'
+
 
 @get('/')
 def get_index():
@@ -33,10 +37,10 @@
     try:
         change_password(form('username'), form('old-password'), form('new-password'))
     except Error as e:
-        print("Unsuccessful attemp to change password for %s: %s" % (form('username'), e))
+        LOG.warning("Unsuccessful attemp to change password for %s: %s" % (form('username'), e))
         return error(str(e))
 
-    print("Password successfully changed for: %s" % form('username'))
+    LOG.info("Password successfully changed for: %s" % form('username'))
 
     return index_tpl(alerts=[('success', "Password has been changed")])
 
@@ -112,6 +116,10 @@
     pass
 
 
+# Set up logging.
+logging.basicConfig(format=LOG_FORMAT)
+LOG.setLevel(logging.INFO)
+
 BASE_DIR = path.dirname(__file__)
 CONF = read_config()