diff --git a/CHANGES.md b/CHANGES.md
index 1bc07bea..3e09d070 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -19,6 +19,7 @@
 * Update SimpleJSON library 3.10.0 (c52efea) to 3.13.2 (6ffddbe)
 * Update Six compatibility library 1.10.0 (r433) to 1.11.0 (68112f3)
 * Update Tornado Web Server 4.5.1 (79b2683) to 5.0.1 (35a538f)
+* Update unidecode library 0.04.21 (e99b0e3) to 1.0.22 (81f938d)
 
 [develop changelog]
 
diff --git a/lib/unidecode/__init__.py b/lib/unidecode/__init__.py
index 3b68de4c..5d968fdb 100644
--- a/lib/unidecode/__init__.py
+++ b/lib/unidecode/__init__.py
@@ -3,7 +3,7 @@
 """Transliterate Unicode text into plain 7-bit ASCII.
 
 Example usage:
->>> from unidecode import unidecode:
+>>> from unidecode import unidecode
 >>> unidecode(u"\u5317\u4EB0")
 "Bei Jing "
 
diff --git a/lib/unidecode/x000.py b/lib/unidecode/x000.py
index c3f8f515..27e8d684 100644
--- a/lib/unidecode/x000.py
+++ b/lib/unidecode/x000.py
@@ -76,9 +76,9 @@ data = (
 '1',    # 0xb9
 'o',    # 0xba
 '>>',    # 0xbb
-'1/4',    # 0xbc
-'1/2',    # 0xbd
-'3/4',    # 0xbe
+' 1/4 ',    # 0xbc
+' 1/2 ',    # 0xbd
+' 3/4 ',    # 0xbe
 '?',    # 0xbf
 'A',    # 0xc0
 'A',    # 0xc1
diff --git a/lib/unidecode/x005.py b/lib/unidecode/x005.py
index 85d6abbc..ced54426 100644
--- a/lib/unidecode/x005.py
+++ b/lib/unidecode/x005.py
@@ -161,7 +161,7 @@ data = (
 '',    # 0x9f
 '',    # 0xa0
 '',    # 0xa1
-'[?]',    # 0xa2
+'',    # 0xa2
 '',    # 0xa3
 '',    # 0xa4
 '',    # 0xa5
@@ -185,20 +185,20 @@ data = (
 'a',    # 0xb7
 'a',    # 0xb8
 'o',    # 0xb9
-'[?]',    # 0xba
+'o',    # 0xba
 'u',    # 0xbb
 '\'',    # 0xbc
 '',    # 0xbd
 '-',    # 0xbe
-'',    # 0xbf
+'-',    # 0xbf
 '|',    # 0xc0
 '',    # 0xc1
 '',    # 0xc2
 ':',    # 0xc3
 '',    # 0xc4
-'[?]',    # 0xc5
-'[?]',    # 0xc6
-'[?]',    # 0xc7
+'',    # 0xc5
+'n',    # 0xc6
+'o',    # 0xc7
 '[?]',    # 0xc8
 '[?]',    # 0xc9
 '[?]',    # 0xca
@@ -207,14 +207,14 @@ data = (
 '[?]',    # 0xcd
 '[?]',    # 0xce
 '[?]',    # 0xcf
-'',    # 0xd0
+'A',    # 0xd0
 'b',    # 0xd1
 'g',    # 0xd2
 'd',    # 0xd3
 'h',    # 0xd4
 'v',    # 0xd5
 'z',    # 0xd6
-'kh',    # 0xd7
+'KH',    # 0xd7
 't',    # 0xd8
 'y',    # 0xd9
 'k',    # 0xda
@@ -228,11 +228,11 @@ data = (
 '`',    # 0xe2
 'p',    # 0xe3
 'p',    # 0xe4
-'ts',    # 0xe5
-'ts',    # 0xe6
+'TS',    # 0xe5
+'TS',    # 0xe6
 'q',    # 0xe7
 'r',    # 0xe8
-'sh',    # 0xe9
+'SH',    # 0xe9
 't',    # 0xea
 '[?]',    # 0xeb
 '[?]',    # 0xec
@@ -240,13 +240,13 @@ data = (
 '[?]',    # 0xee
 '[?]',    # 0xef
 'V',    # 0xf0
-'oy',    # 0xf1
+'OY',    # 0xf1
 'i',    # 0xf2
 '\'',    # 0xf3
 '"',    # 0xf4
-'[?]',    # 0xf5
-'[?]',    # 0xf6
-'[?]',    # 0xf7
+'v',    # 0xf5
+'n',    # 0xf6
+'q',    # 0xf7
 '[?]',    # 0xf8
 '[?]',    # 0xf9
 '[?]',    # 0xfa
diff --git a/lib/unidecode/x020.py b/lib/unidecode/x020.py
index bee561b0..46425bf0 100644
--- a/lib/unidecode/x020.py
+++ b/lib/unidecode/x020.py
@@ -175,22 +175,22 @@ data = (
 'K',    # 0xad
 'T',    # 0xae
 'Dr',    # 0xaf
-'[?]',    # 0xb0
-'[?]',    # 0xb1
-'[?]',    # 0xb2
-'[?]',    # 0xb3
-'[?]',    # 0xb4
-'[?]',    # 0xb5
-'[?]',    # 0xb6
-'[?]',    # 0xb7
-'[?]',    # 0xb8
-'[?]',    # 0xb9
-'[?]',    # 0xba
-'[?]',    # 0xbb
-'[?]',    # 0xbc
-'[?]',    # 0xbd
-'[?]',    # 0xbe
-'[?]',    # 0xbf
+'Pf',    # 0xb0
+'P',    # 0xb1
+'G',    # 0xb2
+'A',    # 0xb3
+'UAH',    # 0xb4
+'C|',    # 0xb5
+'L',    # 0xb6
+'Sm',    # 0xb7
+'T',    # 0xb8
+'Rs',    # 0xb9
+'L',    # 0xba
+'M',    # 0xbb
+'m',    # 0xbc
+'R',    # 0xbd
+'l',    # 0xbe
+'BTC',    # 0xbf
 '[?]',    # 0xc0
 '[?]',    # 0xc1
 '[?]',    # 0xc2