diff --git a/.github/workflows/soroban-rpc.yml b/.github/workflows/soroban-rpc.yml
index 8ec1b35c5..bbd1c647c 100644
--- a/.github/workflows/soroban-rpc.yml
+++ b/.github/workflows/soroban-rpc.yml
@@ -112,7 +112,7 @@ jobs:
     env:
       SOROBAN_RPC_INTEGRATION_TESTS_ENABLED: true
       SOROBAN_RPC_INTEGRATION_TESTS_CAPTIVE_CORE_BIN: /usr/bin/stellar-core
-      PROTOCOL_20_CORE_DEBIAN_PKG_VERSION: 19.14.1-1547.f2d06fbce.focal
+      PROTOCOL_20_CORE_DEBIAN_PKG_VERSION: 19.14.1-1553.f4c4e2fca.focal
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/cmd/soroban-rpc/internal/test/docker-compose.yml b/cmd/soroban-rpc/internal/test/docker-compose.yml
index 3e8af4bfe..39e3f7ed6 100644
--- a/cmd/soroban-rpc/internal/test/docker-compose.yml
+++ b/cmd/soroban-rpc/internal/test/docker-compose.yml
@@ -15,7 +15,7 @@ services:
     # Note: Please keep the image pinned to an immutable tag matching the Captive Core version.
     #       This avoids implicit updates which break compatibility between
     #       the Core container and captive core.
-    image: ${CORE_IMAGE:-stellar/stellar-core:19.14.1-1547.f2d06fbce.focal}
+    image: ${CORE_IMAGE:-stellar/stellar-core:19.14.1-1553.f4c4e2fca.focal}
     depends_on:
       - core-postgres
     restart: on-failure
diff --git a/cmd/soroban-rpc/internal/test/simulate_transaction_test.go b/cmd/soroban-rpc/internal/test/simulate_transaction_test.go
index 04ac395ea..b47c609f0 100644
--- a/cmd/soroban-rpc/internal/test/simulate_transaction_test.go
+++ b/cmd/soroban-rpc/internal/test/simulate_transaction_test.go
@@ -233,7 +233,7 @@ func TestSimulateTransactionSucceeds(t *testing.T) {
 				},
 			},
 			Instructions: 6062311,
-			ReadBytes:    48,
+			ReadBytes:    0,
 			WriteBytes:   7048,
 		},
 		ResourceFee: 130498,
diff --git a/cmd/soroban-rpc/internal/test/transaction_test.go b/cmd/soroban-rpc/internal/test/transaction_test.go
index ff8473420..e370d7d19 100644
--- a/cmd/soroban-rpc/internal/test/transaction_test.go
+++ b/cmd/soroban-rpc/internal/test/transaction_test.go
@@ -259,7 +259,21 @@ func sendSuccessfulTransaction(t *testing.T, client *jrpc2.Client, kp *keypair.F
 		var txMeta xdr.TransactionMeta
 		err = xdr.SafeUnmarshalBase64(response.ResultMetaXdr, &txMeta)
 		assert.NoError(t, err)
-		fmt.Printf("meta: %#v\n", txMeta)
+		if txMeta.V == 3 && txMeta.V3.SorobanMeta != nil {
+			if len(txMeta.V3.SorobanMeta.Events) > 0 {
+				fmt.Println("Contract events:")
+				for i, e := range txMeta.V3.SorobanMeta.Events {
+					fmt.Printf("  %d: %s\n", i, e)
+				}
+			}
+
+			if len(txMeta.V3.SorobanMeta.DiagnosticEvents) > 0 {
+				fmt.Println("Diagnostic events:")
+				for i, d := range txMeta.V3.SorobanMeta.DiagnosticEvents {
+					fmt.Printf("  %d: %s\n", i, d)
+				}
+			}
+		}
 	}
 
 	require.NotNil(t, response.ResultXdr)
diff --git a/cmd/soroban-rpc/lib/preflight/src/fees.rs b/cmd/soroban-rpc/lib/preflight/src/fees.rs
index 20e002b3d..e32ab3e9b 100644
--- a/cmd/soroban-rpc/lib/preflight/src/fees.rs
+++ b/cmd/soroban-rpc/lib/preflight/src/fees.rs
@@ -7,7 +7,7 @@ use soroban_env_host::e2e_invoke::{
 use soroban_env_host::fees::{
     compute_rent_fee, compute_transaction_resource_fee, compute_write_fee_per_1kb,
     FeeConfiguration, LedgerEntryRentChange, RentFeeConfiguration, TransactionResources,
-    WriteFeeConfiguration, TTL_ENTRY_SIZE,
+    WriteFeeConfiguration,
 };
 use soroban_env_host::storage::{AccessType, Footprint, Storage};
 use soroban_env_host::xdr;
@@ -131,10 +131,7 @@ fn calculate_host_function_soroban_resources(
 ) -> Result<SorobanResources> {
     let ledger_footprint = storage_footprint_to_ledger_footprint(footprint)
         .context("cannot convert storage footprint to ledger footprint")?;
-    let read_bytes: u32 = ledger_changes
-        .iter()
-        .map(|c| c.old_entry_size_bytes + c.ttl_change.as_ref().map_or(0, |_| TTL_ENTRY_SIZE))
-        .sum();
+    let read_bytes: u32 = ledger_changes.iter().map(|c| c.old_entry_size_bytes).sum();
 
     let write_bytes: u32 = ledger_changes
         .iter()
@@ -224,17 +221,6 @@ fn get_fee_configurations(
     Ok((fee_configuration, rent_fee_configuration))
 }
 
-// Calculate the implicit TTLEntry bytes that will be read for TTLLedgerEntries
-fn calculate_ttl_entry_bytes(ledger_entries: &[LedgerKey]) -> u32 {
-    ledger_entries
-        .iter()
-        .map(|lk| match lk {
-            LedgerKey::ContractData(_) | LedgerKey::ContractCode(_) => TTL_ENTRY_SIZE,
-            _ => 0,
-        })
-        .sum()
-}
-
 #[allow(clippy::cast_possible_truncation)]
 fn calculate_unmodified_ledger_entry_bytes(
     ledger_entries: &[LedgerKey],
@@ -322,8 +308,6 @@ pub(crate) fn compute_extend_footprint_ttl_transaction_data_and_min_fee(
     )
     .context("cannot compute extend rent changes")?;
 
-    let ttl_bytes: u32 = calculate_ttl_entry_bytes(footprint.read_only.as_vec());
-
     let unmodified_entry_bytes = calculate_unmodified_ledger_entry_bytes(
         footprint.read_only.as_slice(),
         ledger_storage,
@@ -334,7 +318,7 @@ pub(crate) fn compute_extend_footprint_ttl_transaction_data_and_min_fee(
     let soroban_resources = SorobanResources {
         footprint,
         instructions: 0,
-        read_bytes: unmodified_entry_bytes + ttl_bytes,
+        read_bytes: unmodified_entry_bytes,
         write_bytes: 0,
     };
     let transaction_size_bytes = estimate_max_transaction_size_for_operation(
@@ -420,7 +404,6 @@ pub(crate) fn compute_restore_footprint_transaction_data_and_min_fee(
     )
     .context("cannot compute restore rent changes")?;
 
-    let ttl_bytes: u32 = calculate_ttl_entry_bytes(footprint.read_write.as_vec());
     let write_bytes = calculate_unmodified_ledger_entry_bytes(
         footprint.read_write.as_vec(),
         ledger_storage,
@@ -430,7 +413,7 @@ pub(crate) fn compute_restore_footprint_transaction_data_and_min_fee(
     let soroban_resources = SorobanResources {
         footprint,
         instructions: 0,
-        read_bytes: write_bytes + ttl_bytes,
+        read_bytes: write_bytes,
         write_bytes,
     };
     let transaction_size_bytes = estimate_max_transaction_size_for_operation(
diff --git a/go.mod b/go.mod
index fd4fca5f1..f929c0e33 100644
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
-	github.com/stellar/go v0.0.0-20231016174715-c7d3a47ee7a2
+	github.com/stellar/go v0.0.0-20231114175958-eb2984b58392
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/mod v0.13.0
 	gotest.tools/v3 v3.5.0
diff --git a/go.sum b/go.sum
index f0d20235f..7ab9b159e 100644
--- a/go.sum
+++ b/go.sum
@@ -333,8 +333,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.17.0 h1:I5txKw7MJasPL/BrfkbA0Jyo/oELqVmux4pR/UxOMfI=
 github.com/spf13/viper v1.17.0/go.mod h1:BmMMMLQXSbcHK6KAOiFLz0l5JHrU89OdIRHvsk0+yVI=
-github.com/stellar/go v0.0.0-20231016174715-c7d3a47ee7a2 h1:IOOHd1yrwmK0wiAuNDmoHUPTucO0oGkkKa3CE1pgn2E=
-github.com/stellar/go v0.0.0-20231016174715-c7d3a47ee7a2/go.mod h1:g78pyZyDFnKMJUaBIXxH7xyQ7PdDrvrJTFCxdGMMb3c=
+github.com/stellar/go v0.0.0-20231114175958-eb2984b58392 h1:sYxHgLDT3z6cJrWuf0O9Fbs/E2UNGh3PPoOlM8DJ2vk=
+github.com/stellar/go v0.0.0-20231114175958-eb2984b58392/go.mod h1:g78pyZyDFnKMJUaBIXxH7xyQ7PdDrvrJTFCxdGMMb3c=
 github.com/stellar/go-xdr v0.0.0-20230919160922-6c7b68458206 h1:UFuvvpbWL8+jqO1QmKYWSVhiMp4MRiIFd8/zQlUINH0=
 github.com/stellar/go-xdr v0.0.0-20230919160922-6c7b68458206/go.mod h1:yoxyU/M8nl9LKeWIoBrbDPQ7Cy+4jxRcWcOayZ4BMps=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=