diff --git a/requirements.txt b/requirements.txt
index 3f95493..c130b10 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,6 @@ python-dateutil==2.8.1
 pytz==2021.1
 requests==2.25.1
 six==1.15.0
-urllib3==1.26.3
+urllib3==1.26.9
 websockets
 zope.interface==5.2.0
diff --git a/tests/test_exchange_api.py b/tests/test_exchange_api.py
index 26521be..8eaf114 100644
--- a/tests/test_exchange_api.py
+++ b/tests/test_exchange_api.py
@@ -5,31 +5,35 @@
 
 def test_get_tick_size_defaults():
     # hoga >= 2000000
-    assert 2000000 == get_tick_size(2000100) 
-    assert 2000000 == get_tick_size(2000900) 
+    assert 2000000 == get_tick_size(2000100)
+    assert 2000000 == get_tick_size(2000900)
     # hoga >= 1000000
-    assert 1000000 == get_tick_size(1000100) 
-    assert 1000000 == get_tick_size(1000400) 
+    assert 1000000 == get_tick_size(1000100)
+    assert 1000000 == get_tick_size(1000400)
     # hoga >= 500000
-    assert 500000 == get_tick_size(500010) 
-    assert 500000 == get_tick_size(500090) 
+    assert 500000 == get_tick_size(500010)
+    assert 500000 == get_tick_size(500090)
     # hoga >= 100000
-    assert 100000 == get_tick_size(100010) 
-    assert 100000 == get_tick_size(100040) 
+    assert 100000 == get_tick_size(100010)
+    assert 100000 == get_tick_size(100040)
     # hoga >= 10000
-    assert 10000 == get_tick_size(10001) 
-    assert 10000 == get_tick_size(10004) 
+    assert 10000 == get_tick_size(10001)
+    assert 10000 == get_tick_size(10004)
     # hoga >= 1000
-    assert 1000 == get_tick_size(1001) 
-    assert 1000 == get_tick_size(1004) 
+    assert 1000 == get_tick_size(1001)
+    assert 1000 == get_tick_size(1004)
     # hoga >= 100
-    assert 101 == get_tick_size(101.1) 
-    assert 104 == get_tick_size(104.9) 
+    assert 101 == get_tick_size(101.1)
+    assert 104 == get_tick_size(104.9)
     # hoga >= 10
-    assert 10.1 == get_tick_size(10.11) 
-    assert 10.1 == get_tick_size(10.19) 
+    assert 10.1 == get_tick_size(10.11)
+    assert 10.1 == get_tick_size(10.19)
+    # hoga >= 1
+    assert 1.11 == get_tick_size(1.111)
+    assert 1.11 == get_tick_size(1.119)
+    # hoga >= 0.1
+    assert 0.111 == get_tick_size(0.1111)
+    assert 0.111 == get_tick_size(0.1119)
     # hoga >= 0
-    assert 0.01 == get_tick_size(0.011) 
-    assert 0.01 == get_tick_size(0.019) 
-
-
+    assert 0.0111 == get_tick_size(0.01111)
+    assert 0.0111 == get_tick_size(0.01119)