diff --git a/crates/core/app/src/app/mod.rs b/crates/core/app/src/app/mod.rs
index 57fa6df58b..9e660f9b29 100644
--- a/crates/core/app/src/app/mod.rs
+++ b/crates/core/app/src/app/mod.rs
@@ -172,9 +172,9 @@ impl App {
         //   the target, presuming that some transactions might be yanked.
         // For more details, see the specification:
         // - Adapting existing applications to use ABCI+:
-        //  https://github.com/cometbft/cometbft/blob/v0.37.2/spec/abci/abci%2B%2B_comet_expected_behavior.md#adapting-existing-applications-that-use-abci
+        //  https://github.com/cometbft/cometbft/blob/v0.37.5/spec/abci/abci%2B%2B_comet_expected_behavior.md#adapting-existing-applications-that-use-abci
         // - Application requirements:
-        // https://github.com/cometbft/cometbft/blob/v0.37.2/spec/abci/abci%2B%2B_app_requirements
+        // https://github.com/cometbft/cometbft/blob/v0.37.5/spec/abci/abci%2B%2B_app_requirements
         for tx in proposal.txs {
             let tx_len_bytes = tx.len() as u64;
             proposal_size_bytes = proposal_size_bytes.saturating_add(tx_len_bytes);
diff --git a/deployments/charts/penumbra-network/values.yaml b/deployments/charts/penumbra-network/values.yaml
index 14c6c376ae..b10555dba6 100644
--- a/deployments/charts/penumbra-network/values.yaml
+++ b/deployments/charts/penumbra-network/values.yaml
@@ -92,7 +92,7 @@ cometbft:
     repository: cometbft/cometbft
     pullPolicy: IfNotPresent
     # https://github.com/cometbft/cometbft#supported-versions
-    tag: "v0.37.2"
+    tag: "v0.37.5"
   containerArgs:
     - start
     - --proxy_app=tcp://127.0.0.1:26658
diff --git a/deployments/charts/penumbra-node/values.yaml b/deployments/charts/penumbra-node/values.yaml
index 2873d055b4..13836bcf80 100644
--- a/deployments/charts/penumbra-node/values.yaml
+++ b/deployments/charts/penumbra-node/values.yaml
@@ -38,7 +38,7 @@ cometbft:
     repository: cometbft/cometbft
     pullPolicy: IfNotPresent
     # https://github.com/cometbft/cometbft#supported-versions
-    tag: "v0.37.2"
+    tag: "v0.37.5"
   # Override sections of the CometBFT config. Applies to all nodes.
   config:
     p2p:
diff --git a/deployments/compose/docker-compose.yml b/deployments/compose/docker-compose.yml
index 06ec4e901d..18fa9c9ba3 100644
--- a/deployments/compose/docker-compose.yml
+++ b/deployments/compose/docker-compose.yml
@@ -55,7 +55,7 @@ services:
 
   # The CometBFT node
   cometbft-node0:
-    image: "docker.io/cometbft/cometbft:v0.37.2"
+    image: "docker.io/cometbft/cometbft:v0.37.5"
     ports:
       - "26656:26656"
       - "26657:26657"
diff --git a/deployments/scripts/install-cometbft b/deployments/scripts/install-cometbft
index 445f0cf9ce..56825fc0e5 100755
--- a/deployments/scripts/install-cometbft
+++ b/deployments/scripts/install-cometbft
@@ -5,7 +5,7 @@ set -euo pipefail
 
 
 # Sane defaults
-COMETBFT_VERSION="${COMETBFT_VERSION:-0.37.2}"
+COMETBFT_VERSION="${COMETBFT_VERSION:-0.37.5}"
 
 # Download and extract
 cometbft_download_url="https://github.com/cometbft/cometbft/releases/download/v${COMETBFT_VERSION}/cometbft_${COMETBFT_VERSION}_linux_amd64.tar.gz"