diff --git a/Cargo.lock b/Cargo.lock
index bc334896..3e8a7b08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -584,9 +584,9 @@ dependencies = [
  "anyhow",
  "async-trait",
  "clap 3.2.25",
- "cml-chain 5.2.0",
- "cml-core 5.2.0",
- "cml-crypto 5.2.0",
+ "cml-chain 5.3.0",
+ "cml-core 5.3.0",
+ "cml-crypto 5.3.0",
  "cml-multi-era",
  "ctrlc",
  "dcspark-blockchain-source",
@@ -765,14 +765,15 @@ dependencies = [
 
 [[package]]
 name = "cml-chain"
-version = "5.2.0"
-source = "git+https://github.com/dcSpark/cardano-multiplatform-lib?branch=new-conway-cddl-updates#386e91dbd41179fa6b975d6cb324a52f76d0f160"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b58dce9d0eb50807b73ea4c130549347b40580b96b2f199650b9845566e0b5ef"
 dependencies = [
  "base64 0.21.7",
  "bech32 0.7.3",
  "cbor_event",
- "cml-core 5.2.0",
- "cml-crypto 5.2.0",
+ "cml-core 5.3.0",
+ "cml-crypto 5.3.0",
  "derivative",
  "fraction",
  "getrandom",
@@ -819,8 +820,9 @@ dependencies = [
 
 [[package]]
 name = "cml-core"
-version = "5.2.0"
-source = "git+https://github.com/dcSpark/cardano-multiplatform-lib?branch=new-conway-cddl-updates#386e91dbd41179fa6b975d6cb324a52f76d0f160"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9cbdbd4f17a5df89ec8e65d01ace223ea01c0501d705629966df466cecb7d10"
 dependencies = [
  "base64 0.13.1",
  "bech32 0.7.3",
@@ -868,14 +870,15 @@ dependencies = [
 
 [[package]]
 name = "cml-crypto"
-version = "5.2.0"
-source = "git+https://github.com/dcSpark/cardano-multiplatform-lib?branch=new-conway-cddl-updates#386e91dbd41179fa6b975d6cb324a52f76d0f160"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34119f9c40c11fabaeba5bc3b20290ba0e27461aab003c6813a8568a44252daf"
 dependencies = [
  "base64 0.21.7",
  "bech32 0.7.3",
  "cbor_event",
  "cfg-if 1.0.0",
- "cml-core 5.2.0",
+ "cml-core 5.3.0",
  "cryptoxide",
  "derivative",
  "digest 0.9.0",
@@ -891,14 +894,15 @@ dependencies = [
 
 [[package]]
 name = "cml-multi-era"
-version = "5.2.0"
-source = "git+https://github.com/dcSpark/cardano-multiplatform-lib?branch=new-conway-cddl-updates#386e91dbd41179fa6b975d6cb324a52f76d0f160"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc958024de3d1885c5e13ca4cbc1c9f64e89662aed474775cb2defc556e81bc3"
 dependencies = [
  "bech32 0.7.3",
  "cbor_event",
- "cml-chain 5.2.0",
- "cml-core 5.2.0",
- "cml-crypto 5.2.0",
+ "cml-chain 5.3.0",
+ "cml-core 5.3.0",
+ "cml-crypto 5.3.0",
  "derivative",
  "hex",
  "linked-hash-map",
@@ -2848,9 +2852,9 @@ name = "reparse"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "cml-chain 5.2.0",
- "cml-core 5.2.0",
- "cml-crypto 5.2.0",
+ "cml-chain 5.3.0",
+ "cml-core 5.3.0",
+ "cml-crypto 5.3.0",
  "cml-multi-era",
  "dotenv",
  "entity",
@@ -3737,9 +3741,9 @@ dependencies = [
  "anyhow",
  "cardano-projected-nft",
  "cfg-if 1.0.0",
- "cml-chain 5.2.0",
- "cml-core 5.2.0",
- "cml-crypto 5.2.0",
+ "cml-chain 5.3.0",
+ "cml-core 5.3.0",
+ "cml-crypto 5.3.0",
  "cml-multi-era",
  "cryptoxide",
  "entity",
diff --git a/Cargo.toml b/Cargo.toml
index cea95cab..5aa91926 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ members = [
 
 
 [workspace.dependencies]
-cml-chain = { git = "https://github.com/dcSpark/cardano-multiplatform-lib", branch = "new-conway-cddl-updates" }
-cml-core = { git = "https://github.com/dcSpark/cardano-multiplatform-lib", branch = "new-conway-cddl-updates" }
-cml-crypto = { git = "https://github.com/dcSpark/cardano-multiplatform-lib", branch = "new-conway-cddl-updates" }
-cml-multi-era = { git = "https://github.com/dcSpark/cardano-multiplatform-lib", branch = "new-conway-cddl-updates" }
+cml-chain = { version = "5.3.0" }
+cml-core = { version = "5.3.0" }
+cml-crypto = { version = "5.3.0" }
+cml-multi-era = { version = "5.3.0" }
diff --git a/indexer/tasks/src/multiera/multiera_drep_delegation.rs b/indexer/tasks/src/multiera/multiera_drep_delegation.rs
index b12fe2d3..c9b27bd4 100644
--- a/indexer/tasks/src/multiera/multiera_drep_delegation.rs
+++ b/indexer/tasks/src/multiera/multiera_drep_delegation.rs
@@ -31,9 +31,11 @@ carp_task! {
   read [multiera_txs, multiera_stake_credential];
   write [];
   should_add_task |block, _properties| {
-    // recall: txs may have no outputs if they just burn all inputs as fee
-    // TODO: this runs slightly more than it should
-    !block.1.is_empty()
+    block
+      .1
+      .transaction_bodies()
+      .iter()
+      .any(|x| x.certs().is_some());
   };
   execute |previous_data, task| handle(
       task.db_tx,
diff --git a/indexer/tasks/src/multiera/multiera_governance_voting.rs b/indexer/tasks/src/multiera/multiera_governance_voting.rs
index fc1adbcf..2302c201 100644
--- a/indexer/tasks/src/multiera/multiera_governance_voting.rs
+++ b/indexer/tasks/src/multiera/multiera_governance_voting.rs
@@ -13,9 +13,7 @@ carp_task! {
   read [multiera_txs];
   write [];
   should_add_task |block, _properties| {
-    // recall: txs may have no outputs if they just burn all inputs as fee
-    // TODO: this runs slightly more than it should
-    !block.1.is_empty()
+    block.1.transaction_bodies().iter().any(|x| x.voting_procedures().is_some())
   };
   execute |previous_data, task| handle(
       task.db_tx,