diff --git a/src/aeb_opcodes.erl b/src/aeb_opcodes.erl
index 75aeb1e..daeafeb 100644
--- a/src/aeb_opcodes.erl
+++ b/src/aeb_opcodes.erl
@@ -47,6 +47,9 @@ opcode(?OR)             -> ?OR;
 opcode(?XOR)            -> ?XOR;
 opcode(?NOT)            -> ?NOT;
 opcode(?BYTE)           -> ?BYTE;
+opcode(?SHL)            -> ?SHL;
+opcode(?SHR)            -> ?SHR;
+opcode(?SAR)            -> ?SAR;
 opcode(?SHA3)           -> ?SHA3;
 opcode(?ADDRESS)        -> ?ADDRESS;
 opcode(?BALANCE)        -> ?BALANCE;
@@ -184,6 +187,9 @@ mnemonic(?OR)             -> 'OR'             ;
 mnemonic(?XOR)            -> 'XOR'            ;
 mnemonic(?NOT)            -> 'NOT'            ;
 mnemonic(?BYTE)           -> 'BYTE'           ;
+mnemonic(?SHL)            -> 'SHL'            ;
+mnemonic(?SHR)            -> 'SHR'            ;
+mnemonic(?SAR)            -> 'SAR'            ;
 mnemonic(?SHA3)           -> 'SHA3'           ;
 mnemonic(?ADDRESS)        -> 'ADDRESS'        ;
 mnemonic(?BALANCE)        -> 'BALANCE'        ;
@@ -322,6 +328,9 @@ m_to_op('OR')             -> ?OR             ;
 m_to_op('XOR')            -> ?XOR            ;
 m_to_op('NOT')            -> ?NOT            ;
 m_to_op('BYTE')           -> ?BYTE           ;
+m_to_op('SHL')            -> ?SHL            ;
+m_to_op('SHR')            -> ?SHR            ;
+m_to_op('SAR')            -> ?SAR            ;
 m_to_op('SHA3')           -> ?SHA3           ;
 m_to_op('ADDRESS')        -> ?ADDRESS        ;
 m_to_op('BALANCE')        -> ?BALANCE        ;