diff --git a/src/tasks/sep/039-U17-sep-op-sony/.env b/src/tasks/sep/039-U17-sep-op-sony/.env
new file mode 100644
index 0000000000..fe89703585
--- /dev/null
+++ b/src/tasks/sep/039-U17-sep-op-sony/.env
@@ -0,0 +1 @@
+TENDERLY_GAS=16700000
diff --git a/src/tasks/sep/039-U17-sep-op-sony/README.md b/src/tasks/sep/039-U17-sep-op-sony/README.md
new file mode 100644
index 0000000000..c20dea2caa
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+++ b/src/tasks/sep/039-U17-sep-op-sony/README.md
@@ -0,0 +1,21 @@
+# 039-U17-sep-op-sony
+
+Status: [READY TO SIGN]
+
+## Objective
+
+This task upgrades OP and Soneium Minato Sepolia to U17.
+
+## Simulation & Signing
+
+Simulation commands for each safe:
+```bash
+cd src/tasks/sep/039-U17-sep-op-sony
+SIMULATE_WITHOUT_LEDGER=1 just --dotenv-path $(pwd)/.env simulate <council|foundation>
+```
+
+Signing commands for each safe:
+```bash
+cd src/tasks/sep/039-U17-sep-op-sony
+just --dotenv-path $(pwd)/.env sign <council|foundation>
+```
diff --git a/src/tasks/sep/039-U17-sep-op-sony/VALIDATION.md b/src/tasks/sep/039-U17-sep-op-sony/VALIDATION.md
new file mode 100644
index 0000000000..448a564292
--- /dev/null
+++ b/src/tasks/sep/039-U17-sep-op-sony/VALIDATION.md
@@ -0,0 +1,29 @@
+# Validation
+
+This document can be used to validate the inputs and result of the execution of the upgrade transaction which you are
+signing.
+
+## Expected Domain and Message Hashes
+
+Validate the domain and message hashes. These values should match both the values on your ledger and
+the values printed to the terminal when you run the task.
+
+> [!CAUTION]
+>
+> Before signing, ensure the below hashes match what is on your ledger.
+>
+> ### Security Council Safe (`0xf64bc17485f0B4Ea5F06A96514182FC4cB561977`)
+>
+> - Domain Hash:  `0xbe081970e9fc104bd1ea27e375cd21ec7bb1eec56bfe43347c3e36c5d27b8533`
+> - Message Hash: `0xeddf4f90ee497856c690c384e4916b37d6e44bbc387ae07c24fe24a7fd3a6018`
+>
+> ### Foundation Safe (`0xDEe57160aAfCF04c34C887B5962D0a69676d3C8B`)
+>
+> - Domain Hash:  `0x37e1f5dd3b92a004a23589b741196c8a214629d4ea3a690ec8e41ae45c689cbb`
+> - Message Hash: `0xf30e8e1669d282f10288ae8706b22f081e492bd76fabc5bfe98752a82d1da899`
+
+## Task Calldata
+
+```
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
+```
\ No newline at end of file
diff --git a/src/tasks/sep/039-U17-sep-op-sony/config.toml b/src/tasks/sep/039-U17-sep-op-sony/config.toml
new file mode 100644
index 0000000000..0eff6eb7c6
--- /dev/null
+++ b/src/tasks/sep/039-U17-sep-op-sony/config.toml
@@ -0,0 +1,38 @@
+l2chains = [
+    {name = "OP Sepolia Testnet", chainId = 11155420},
+    {name = "Soneium Testnet Minato", chainId = 1946}
+]
+
+templateName = "OPCMUpgradeV500"
+
+
+# OP Sepolia Testnet (Permissionless)
+[[opcmUpgrades]]
+chainId = 11155420
+# Jovian prestate:
+absolutePrestate = "0x03caa1871bb9fe7f9b11217c245c16e4ded33367df5b3ccb2c6d0a847a217d1b"  # prestates."1.8.0-rc.4" https://github.com/ethereum-optimism/superchain-registry/blob/9e3f71cee0e4e2acb4864cb00f5fbee3555d8e9f/validation/standard/standard-prestates.toml#L6C7-L6C73
+expectedValidationErrors = "OVERRIDES-L1PAOMULTISIG,OVERRIDES-CHALLENGER"  # The template provides PAO and Challenger overrides to the validator from the SCR. These simply indicate overrides were used. PLDG-10 (missing Permissionless implementation) is expected as this is a permissioned chain.
+
+
+# Soneium Testnet Minato (Permissioned)
+[[opcmUpgrades]]
+chainId = 1946
+# Jovian prestate:
+absolutePrestate = "0x03caa1871bb9fe7f9b11217c245c16e4ded33367df5b3ccb2c6d0a847a217d1b"  # prestates."1.8.0-rc.4" https://github.com/ethereum-optimism/superchain-registry/blob/9e3f71cee0e4e2acb4864cb00f5fbee3555d8e9f/validation/standard/standard-prestates.toml#L6C7-L6C73
+expectedValidationErrors = "OVERRIDES-L1PAOMULTISIG,OVERRIDES-CHALLENGER,PLDG-10"  # The template provides PAO and Challenger overrides to the validator from the SCR. These simply indicate overrides were used. PLDG-10 (missing Permissionless implementation) is expected as this is a permissioned chain.
+
+
+[addresses]
+OPCM = "0xc69e4c24db479191676611a25d977203c3bdca62"  # Source: https://github.com/ethereum-optimism/superchain-registry/blob/7380dcd87c000394e5528b237de0845779e8d6dd/validation/standard/standard-versions-sepolia.toml#L23
+
+
+[stateOverrides]
+0x1Eb2fFc903729a0F03966B917003800b145F56E2 = [ # L1PAO
+     {key = "0x0000000000000000000000000000000000000000000000000000000000000005", value = 38}
+]
+0xf64bc17485f0B4Ea5F06A96514182FC4cB561977 = [ # SC
+     {key = "0x0000000000000000000000000000000000000000000000000000000000000005", value = 50}
+]
+0xDEe57160aAfCF04c34C887B5962D0a69676d3C8B = [ # FUS
+     {key = "0x0000000000000000000000000000000000000000000000000000000000000005", value = 53}
+]
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