diff --git a/.changelog/493.feature.md b/.changelog/493.feature.md
new file mode 100644
index 00000000..cf43c6c1
--- /dev/null
+++ b/.changelog/493.feature.md
@@ -0,0 +1 @@
+Bump Oasis Core to 23.0.9
diff --git a/Makefile b/Makefile
index 8c3bde91..0dc79b0a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 include common.mk
 
-OASIS_RELEASE := 23.0.7
+OASIS_RELEASE := 23.0.9
 ROSETTA_CLI_RELEASE := 0.10.3
 
 # Check which tool to use for downloading.
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 9ee3ba46..7fbe276d 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,7 +13,7 @@ FROM golang:1.21 AS build
 # Install prerequisites.
 RUN apt-get update && apt-get install -y bzip2 libseccomp-dev
 
-ARG CORE_BRANCH=v23.0.7
+ARG CORE_BRANCH=v23.0.9
 ARG CORE_GITHUB=https://github.com/oasisprotocol/oasis-core
 
 ARG GATEWAY_BRANCH=master
diff --git a/go.mod b/go.mod
index 85093924..487847f5 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/coinbase/rosetta-cli v0.10.3
 	github.com/coinbase/rosetta-sdk-go v0.8.3
 	github.com/coinbase/rosetta-sdk-go/types v1.0.0
-	github.com/oasisprotocol/oasis-core/go v0.2300.7
+	github.com/oasisprotocol/oasis-core/go v0.2300.9
 	google.golang.org/grpc v1.59.0
 )
 
diff --git a/go.sum b/go.sum
index 691f4140..50995d82 100644
--- a/go.sum
+++ b/go.sum
@@ -550,8 +550,8 @@ github.com/oasisprotocol/cometbft v0.37.2-oasis1 h1:7yr/5f0vV1bQLKoZHFhs3mcHay3n
 github.com/oasisprotocol/cometbft v0.37.2-oasis1/go.mod h1:w7GZmT0jJ/i9Uz9ZWtzE3chuNZ3phUboSrFzPZIoYts=
 github.com/oasisprotocol/curve25519-voi v0.0.0-20230110094441-db37f07504ce h1:/pEpMk55wH0X+E5zedGEMOdLuWmV8P4+4W3+LZaM6kg=
 github.com/oasisprotocol/curve25519-voi v0.0.0-20230110094441-db37f07504ce/go.mod h1:hVoHR2EVESiICEMbg137etN/Lx+lSrHPTD39Z/uE+2s=
-github.com/oasisprotocol/oasis-core/go v0.2300.7 h1:FqM/N1Nqaw44INWRdswlGBNuo2eeZOxVAl8Tmc6c8Wc=
-github.com/oasisprotocol/oasis-core/go v0.2300.7/go.mod h1:3ub+3LT8GEjuzeAXrve9pZEDkM/goL1HKBXVp4queNM=
+github.com/oasisprotocol/oasis-core/go v0.2300.9 h1:4Og8s40BRZzeZbyfm+GcXA2kJmLnsR1Kw9jj1JZOplk=
+github.com/oasisprotocol/oasis-core/go v0.2300.9/go.mod h1:3ub+3LT8GEjuzeAXrve9pZEDkM/goL1HKBXVp4queNM=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=