diff --git a/Lib/fontTools/feaLib/parser.py b/Lib/fontTools/feaLib/parser.py
index f7a5574fe8a..50e3d65ae27 100644
--- a/Lib/fontTools/feaLib/parser.py
+++ b/Lib/fontTools/feaLib/parser.py
@@ -1881,8 +1881,15 @@ def parse_conditionset_(self):
             if axis in conditions:
                 raise FeatureLibError(f"Repeated condition for axis {axis}", self.cur_token_location_)
 
-            min_value = self.expect_number_(variable=False)
-            max_value = self.expect_number_(variable=False)
+            if self.next_token_type_ is Lexer.FLOAT:
+                min_value = self.expect_float_()
+            elif self.next_token_type_ is Lexer.NUMBER:
+                min_value = self.expect_number_(variable=False)
+
+            if self.next_token_type_ is Lexer.FLOAT:
+                max_value = self.expect_float_()
+            elif self.next_token_type_ is Lexer.NUMBER:
+                max_value = self.expect_number_(variable=False)
             self.expect_symbol_(";")
 
             conditions[axis] = (min_value, max_value)
diff --git a/Tests/feaLib/parser_test.py b/Tests/feaLib/parser_test.py
index 7d52cc2f02f..5907064e7f4 100644
--- a/Tests/feaLib/parser_test.py
+++ b/Tests/feaLib/parser_test.py
@@ -1866,6 +1866,12 @@ def test_conditionset_same_axis(self):
             self.parse,
             "conditionset heavy { wght 700 900; wght 100 200; } heavy;")
 
+    def test_conditionset_float(self):
+        doc = self.parse("conditionset heavy { wght 700.0 900.0; } heavy;")
+        value = doc.statements[0]
+        self.assertEqual(value.conditions["wght"], (700.0, 900.0))
+        self.assertEqual(value.asFea(), "conditionset heavy {\n   wght 700.0 900.0;\n} heavy;\n")
+
     def test_variation(self):
         doc = self.parse("variation rvrn heavy { sub a by b; } rvrn;")
         value = doc.statements[0]