diff --git a/lib/yaml/scanner.py b/lib/yaml/scanner.py
index 19d72e8f..5126cf07 100644
--- a/lib/yaml/scanner.py
+++ b/lib/yaml/scanner.py
@@ -1175,6 +1175,7 @@ def scan_flow_scalar(self, style):
         u' ':   u'\x20',
         u'\"':  u'\"',
         u'\\':  u'\\',
+        u'/':   u'/',
         u'N':   u'\x85',
         u'_':   u'\xA0',
         u'L':   u'\u2028',
diff --git a/lib3/yaml/scanner.py b/lib3/yaml/scanner.py
index af940d30..775dbcc6 100644
--- a/lib3/yaml/scanner.py
+++ b/lib3/yaml/scanner.py
@@ -1169,6 +1169,7 @@ def scan_flow_scalar(self, style):
         ' ':    '\x20',
         '\"':   '\"',
         '\\':   '\\',
+        '/':    '/',
         'N':    '\x85',
         '_':    '\xA0',
         'L':    '\u2028',