diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95891f3d..fa9bb1d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v1.8.3-alpha0
+
+* Added the `America/Coyhaique` time zone, pr #432.
+
 # v1.8.2
 
 * Allow converting `mpdata` to `bytes`, issue #427.
diff --git a/gen_timezones.py b/gen_timezones.py
index bfb4afd5..be03dd6e 100644
--- a/gen_timezones.py
+++ b/gen_timezones.py
@@ -12,7 +12,7 @@
 
 
 TZ_LINE = re.compile(
-    '^\s+\{\.name\=\"([\w\_\/\-\+]+)\"\}\,.*')
+        r'^\s+\{\.name\=\"([\w\_\/\-\+]+)\"\}\,.*')
 
 
 def update_info(lines):
diff --git a/inc/ti/version.h b/inc/ti/version.h
index aee9690d..5acb029b 100644
--- a/inc/ti/version.h
+++ b/inc/ti/version.h
@@ -6,7 +6,7 @@
 
 #define TI_VERSION_MAJOR 1
 #define TI_VERSION_MINOR 8
-#define TI_VERSION_PATCH 2
+#define TI_VERSION_PATCH 3
 
 /* The syntax version is used to test compatibility with functions
  * using the `ti_nodes_check_syntax()` function */
@@ -25,7 +25,7 @@
  *  "-rc0"
  *  ""
  */
-#define TI_VERSION_PRE_RELEASE ""
+#define TI_VERSION_PRE_RELEASE "-alpha0"
 
 #define TI_MAINTAINER \
     "Jeroen van der Heijden <jeroen@cesbit.com>"
diff --git a/itest/test_datetime.py b/itest/test_datetime.py
index b3bbd553..3ec85ea9 100755
--- a/itest/test_datetime.py
+++ b/itest/test_datetime.py
@@ -625,7 +625,7 @@ async def test_time_zones_info(self, client):
             await client.query('time_zones_info(nil);', scope='@t')
 
         res = await client.query('time_zones_info();', scope='@t')
-        self.assertEqual(len(res), 596)
+        self.assertEqual(len(res), 597)
 
         for tz in res:
             self.assertIsInstance(tz, str)
diff --git a/src/ti/tz.c b/src/ti/tz.c
index c32e2383..3f0f6cc5 100644
--- a/src/ti/tz.c
+++ b/src/ti/tz.c
@@ -12,7 +12,7 @@
 
 enum
 {
-    TOTAL_KEYWORDS = 596,
+    TOTAL_KEYWORDS = 597,
     MIN_WORD_LENGTH = 2,
     MAX_WORD_LENGTH = 32,
     MIN_HASH_VALUE = 26,
@@ -31,14 +31,14 @@ static inline unsigned int tz__hash(
         2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702,
         2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702,
         2702, 2702, 2702,   38, 2702,   10,    6,    5,   44,   15,
-          14,   61,   53,   26,   24,   23,   13,   38, 2702, 2702,
+        14,   68,   61,   26,   24,   23,   13,   55, 2702, 2702,
         2702, 2702, 2702, 2702, 2702,   14,  129,    5,  362,   17,
-         467,  279,  446,  386,  774,  411,  574,    7,  503,  125,
-          34,   18,  604,  205,  164,  367,  666,  327, 2702,  342,
-          16, 2702, 2702, 2702, 2702,  136, 2702,    6,   17,    6,
-          40,    5,    6,   83,   31,    5,    5,  143,   40,    6,
-           5,    6,   55,  217,    5,    7,    5,    5,  342,  482,
-          71,  281,  533,    7, 2702, 2702, 2702, 2702, 2702, 2702,
+        467,  279,  446,  386,  774,  411,  574,    7,  503,  125,
+        34,   18,  604,  205,  164,  367,  666,  327, 2702,  342,
+        16, 2702, 2702, 2702, 2702,  136, 2702,    6,   17,    6,
+        40,    5,    6,   83,   31,    5,    5,  143,   40,    6,
+        5,    6,   55,  367,    5,    7,    5,    5,  342,  482,
+        133,  281,  533,    7, 2702, 2702, 2702, 2702, 2702, 2702,
         2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702,
         2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702,
         2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702, 2702,
@@ -764,6 +764,7 @@ static ti_tz_t tz__list[TOTAL_KEYWORDS] = {
     {.name="America/Ciudad_Juarez"},
     {.name="Europe/Kyiv"},
     {.name="Pacific/Kanton"},
+    {.name="America/Coyhaique"},
 };