diff --git a/sql/postgresql/PostgreSQLLexer.g4 b/sql/postgresql/PostgreSQLLexer.g4
index 7538b65d04..8f0df257d8 100644
--- a/sql/postgresql/PostgreSQLLexer.g4
+++ b/sql/postgresql/PostgreSQLLexer.g4
@@ -1317,6 +1317,10 @@ InvalidUnterminatedHexadecimalStringConstant: 'X' UnterminatedStringConstant;
 
 Integral: Digits;
 
+HexadecimalIntegral: '0x' Digits;
+
+BinaryIntegral: '0b' Digits;
+
 NumericFail: Digits '..' {this.HandleNumericFail();};
 
 Numeric:
diff --git a/sql/postgresql/PostgreSQLParser.g4 b/sql/postgresql/PostgreSQLParser.g4
index e0e1263baa..f83a173cbe 100644
--- a/sql/postgresql/PostgreSQLParser.g4
+++ b/sql/postgresql/PostgreSQLParser.g4
@@ -4345,6 +4345,8 @@ fconst
 
 iconst
     : Integral
+    | HexadecimalIntegral
+    | BinaryIntegral
     ;
 
 sconst