diff --git a/migrations/witnet.addresses.json b/migrations/witnet.addresses.json
index 7001d0aa..e697efbf 100644
--- a/migrations/witnet.addresses.json
+++ b/migrations/witnet.addresses.json
@@ -715,9 +715,9 @@
             "WitnetRequestBoard": "0x58D8ECe142c60f5707594a7C1D90e46eAE5AF431",
             "WitnetRequestFactory": "0x1111111FDE7dC956E3d7922Bc779D9E2349Afb63",
             "WitnetErrorsLib": "0xA7389B84D6ABC46b40e88aAD2bbDAf9921649E9E",
-            "WitnetEncodingLib": "",
+            "WitnetEncodingLib": "0x8774D2EC1dC061e1ea35f15B0B06bA9FDd9914f1",
             "WitnetPriceFeedsLib": "0xA149B0ED1D7d506AAB4B48275B9F761336aD916A",
-            "WitnetBytecodesImplementation": "",
+            "WitnetBytecodesImplementation": "0xD4548Ea3Ee0625E135d9534c1B075050B319Be82",
             "WitnetPriceFeedsImplementation": "0x632147c657743906F332EB05E5C775B738254e1b",
             "WitnetRandomnessImplementation": "0xD7C67eA4BFB2e85b5a8a07E295c640F2d1811e41",
             "WitnetRandomnessImplementationv079": "0x24Cc52D0603F161E16c3DB29Da4c2bCc07d17C4b",
@@ -734,9 +734,9 @@
             "WitnetRequestBoard": "0xd653fbd7c736838289262F0F41A458f35393C88a",
             "WitnetRequestFactory": "0x1111111FDE7dC956E3d7922Bc779D9E2349Afb63",
             "WitnetErrorsLib": "0x1225A47bC743199dFef9FEEf065b3B76695AaaaC",
-            "WitnetEncodingLib": "",
+            "WitnetEncodingLib": "0x6c3FD0dD07dd67c4FFfDE297453CB5A4E316f439",
             "WitnetPriceFeedsLib": "0xa239729c399c9eBae7fdc188A1Dbb2c4a06Cd4Bb",
-            "WitnetBytecodesImplementation": "",
+            "WitnetBytecodesImplementation": "0x5211De36aC1756742B4520466604bCab34781866",
             "WitnetPriceFeedsImplementation": "0xf56E739C436EA6e65A17DBfaC9D7E57062D19422",
             "WitnetRandomnessImplementation": "0xF1Aba51c5097487a62DA9c72fb9Aa7B0c98676C1",
             "WitnetRandomnessImplementationv061": "0xc8c0d4dB2D7801D6E2A863934597cFD31689f7D5",