diff --git a/.changelog/unreleased/breaking-changes/1665-tendermint-0.23.2.md b/.changelog/unreleased/breaking-changes/1665-tendermint-0.23.2.md
new file mode 100644
index 0000000000..9ffadf79d6
--- /dev/null
+++ b/.changelog/unreleased/breaking-changes/1665-tendermint-0.23.2.md
@@ -0,0 +1,2 @@
+- Pin tendermint-rs dependencies to =0.23.2
+  ([#1665](https://github.com/informalsystems/ibc-rs/pull/1665))
diff --git a/.changelog/unreleased/breaking-changes/ibc/1665-remove-chrono.md b/.changelog/unreleased/breaking-changes/ibc/1665-remove-chrono.md
new file mode 100644
index 0000000000..c58260ee02
--- /dev/null
+++ b/.changelog/unreleased/breaking-changes/ibc/1665-remove-chrono.md
@@ -0,0 +1,4 @@
+- Remove `Timestamp` API that depended on the `chrono` crate:
+  ([#1665](https://github.com/informalsystems/ibc-rs/pull/1665)):
+  - `Timestamp::from_datetime`; use `From<tendermint::Time>`
+  - `Timestamp::as_datetime`, superseded by `Timestamp::into_datetime`
diff --git a/.changelog/unreleased/improvements/ibc/1665-remove-chrono.md b/.changelog/unreleased/improvements/ibc/1665-remove-chrono.md
new file mode 100644
index 0000000000..477fa06f2d
--- /dev/null
+++ b/.changelog/unreleased/improvements/ibc/1665-remove-chrono.md
@@ -0,0 +1,4 @@
+- More conventional ad-hoc conversion methods on `Timestamp`
+  ([#1665](https://github.com/informalsystems/ibc-rs/pull/1665)):
+  - `Timestamp::nanoseconds` replaces `Timestamp::as_nanoseconds`
+  - `Timestamp::into_datetime` substitutes `Timestamp::as_datetime`
diff --git a/Cargo.lock b/Cargo.lock
index f6d822a07c..4779cefca7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -324,7 +324,6 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits",
- "serde",
  "winapi",
 ]
 
@@ -1281,7 +1280,6 @@ name = "ibc"
 version = "0.9.0"
 dependencies = [
  "bytes",
- "chrono",
  "env_logger",
  "flex-error",
  "ibc-proto",
@@ -1302,6 +1300,7 @@ dependencies = [
  "tendermint-testgen",
  "test-log",
  "thiserror",
+ "time",
  "tracing",
  "tracing-subscriber 0.3.3",
 ]
@@ -1357,7 +1356,6 @@ dependencies = [
  "bech32",
  "bitcoin",
  "bytes",
- "chrono",
  "crossbeam-channel 0.5.1",
  "dirs-next",
  "env_logger",
@@ -2917,13 +2915,12 @@ dependencies = [
 
 [[package]]
 name = "tendermint"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02880339f0e89dc7de809cb300a7dbe5e066c71937a7a55472438ae02e4a841b"
+checksum = "9015fdeab074f9b8f97dcb89c2bb2ec8537c89423e95551e8d7ecdfbab58a329"
 dependencies = [
  "async-trait",
  "bytes",
- "chrono",
  "ed25519",
  "ed25519-dalek",
  "flex-error",
@@ -2943,14 +2940,15 @@ dependencies = [
  "subtle",
  "subtle-encoding",
  "tendermint-proto",
+ "time",
  "zeroize",
 ]
 
 [[package]]
 name = "tendermint-config"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aff01e0eacdcfb75e8a1bbbc2d71286f7b6db3eda82c52ad7ca4f619ebb90cc"
+checksum = "a2b2e6d4442bab49319dbacdfd79c5929bc6e0b35d1e0d959ff5b79fddf3f018"
 dependencies = [
  "flex-error",
  "serde",
@@ -2962,11 +2960,10 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e7c4fe20856c514b6c37550f2f391183a5d4831820fec2e0703a19fc1523259"
+checksum = "e0edd884720ab9e3be8031ca38b929b56cb80082b8d58f40984dd1e194a2f8ec"
 dependencies = [
- "chrono",
  "contracts",
  "crossbeam-channel 0.4.4",
  "derive_more",
@@ -2978,17 +2975,17 @@ dependencies = [
  "static_assertions",
  "tendermint",
  "tendermint-rpc",
+ "time",
  "tokio",
 ]
 
 [[package]]
 name = "tendermint-proto"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1b8319fcf0860833eabe3278cf2d94ca20ef04bee6a77d892f986026fb1c252"
+checksum = "da86f6e52ced9c2f24c4ae57662ce8a44dd90ee7bc47bae27a710b02d48e193c"
 dependencies = [
  "bytes",
- "chrono",
  "flex-error",
  "num-derive",
  "num-traits",
@@ -2997,18 +2994,18 @@ dependencies = [
  "serde",
  "serde_bytes",
  "subtle-encoding",
+ "time",
 ]
 
 [[package]]
 name = "tendermint-rpc"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9c88786eeb1b408530fa7a8151aa9639cc04a6210cd8b5fa27aaafbd1e2a091"
+checksum = "50f5f4875c36798e5590894a5176cf8d75e4bc81ec34ced1b9a87609e7d56861"
 dependencies = [
  "async-trait",
  "async-tungstenite",
  "bytes",
- "chrono",
  "flex-error",
  "futures",
  "getrandom 0.1.16",
@@ -3026,6 +3023,7 @@ dependencies = [
  "tendermint-config",
  "tendermint-proto",
  "thiserror",
+ "time",
  "tokio",
  "tracing",
  "url",
@@ -3035,11 +3033,10 @@ dependencies = [
 
 [[package]]
 name = "tendermint-testgen"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6df4b2bc95b5c65ab661c8ab0e0054dd61b4e4c4edd53c2831c317e40042eac"
+checksum = "019142fb30c80449e8106e91c5c3c8d846859dd7d5fe713727a0642efc819ab0"
 dependencies = [
- "chrono",
  "ed25519-dalek",
  "gumdrop",
  "serde",
@@ -3047,6 +3044,7 @@ dependencies = [
  "simple-error",
  "tempfile",
  "tendermint",
+ "time",
 ]
 
 [[package]]
@@ -3123,8 +3121,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e0a10c9a9fb3a5dce8c2239ed670f1a2569fcf42da035f5face1b19860d52b0"
 dependencies = [
  "libc",
+ "time-macros",
 ]
 
+[[package]]
+name = "time-macros"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c7ca5e81982d152f0788b131ebf96cc4bbd1b4575a7ed51f0f6fc866a05fdb"
+
 [[package]]
 name = "tiny-bip39"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index d80af786e4..c1e00932ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,8 +18,15 @@ exclude = [
 ]
 
 # [patch.crates-io]
-# tendermint              = { git = "https://github.com/informalsystems/tendermint-rs", branch = "master" }
-# tendermint-rpc          = { git = "https://github.com/informalsystems/tendermint-rs", branch = "master" }
-# tendermint-proto        = { git = "https://github.com/informalsystems/tendermint-rs", branch = "master" }
-# tendermint-light-client = { git = "https://github.com/informalsystems/tendermint-rs", branch = "master" }
-# tendermint-testgen      = { git = "https://github.com/informalsystems/tendermint-rs", branch = "master" }
+# tendermint              = { git = "https://github.com/informalsystems/tendermint-rs", branch = "v0.23.x" }
+# tendermint-rpc          = { git = "https://github.com/informalsystems/tendermint-rs", branch = "v0.23.x" }
+# tendermint-proto        = { git = "https://github.com/informalsystems/tendermint-rs", branch = "v0.23.x" }
+# tendermint-light-client = { git = "https://github.com/informalsystems/tendermint-rs", branch = "v0.23.x" }
+# tendermint-testgen      = { git = "https://github.com/informalsystems/tendermint-rs", branch = "v0.23.x" }
+
+# [patch.crates-io]
+# tendermint              = { path = "../tendermint-rs/tendermint" }
+# tendermint-rpc          = { path = "../tendermint-rs/rpc" }
+# tendermint-proto        = { path = "../tendermint-rs/proto" }
+# tendermint-light-client = { path = "../tendermint-rs/light-client" }
+# tendermint-testgen      = { path = "../tendermint-rs/testgen" }
diff --git a/ci/no-std-check/Cargo.toml b/ci/no-std-check/Cargo.toml
index f10061ccef..ae2ebb560b 100644
--- a/ci/no-std-check/Cargo.toml
+++ b/ci/no-std-check/Cargo.toml
@@ -16,7 +16,6 @@ sp-std = { version = "3.0.0", default-features = false, optional = true }
 
 # Dependencies that support no_std
 bytes = { version = "1.0.1", default-features = false }
-chrono = { version = "0.4.19", default-features = false }
 contracts = { version = "0.4.0", default-features = false }
 crossbeam-channel = { version = "0.5.1", default-features = false }
 ed25519 = { version = "1.2.0", default-features = false, features = ["serde"] }
diff --git a/ci/no-std-check/src/lib.rs b/ci/no-std-check/src/lib.rs
index a90084f0a1..0fe9452904 100644
--- a/ci/no-std-check/src/lib.rs
+++ b/ci/no-std-check/src/lib.rs
@@ -25,7 +25,6 @@ use sp_std;
 // Supported Imports
 
 use bytes;
-use chrono;
 use contracts;
 use crossbeam_channel;
 use ed25519;
diff --git a/relayer-cli/Cargo.toml b/relayer-cli/Cargo.toml
index c01fb29164..582bbb4b4c 100644
--- a/relayer-cli/Cargo.toml
+++ b/relayer-cli/Cargo.toml
@@ -56,18 +56,18 @@ flex-error = { version = "0.4.4", default-features = false, features = ["std", "
 signal-hook = "0.3.12"
 
 [dependencies.tendermint-proto]
-version = "=0.23.1"
+version = "=0.23.2"
 
 [dependencies.tendermint]
-version = "=0.23.1"
+version = "=0.23.2"
 features = ["secp256k1"]
 
 [dependencies.tendermint-rpc]
-version = "=0.23.1"
+version = "=0.23.2"
 features = ["http-client", "websocket-client"]
 
 [dependencies.tendermint-light-client]
-version = "=0.23.1"
+version = "=0.23.2"
 features = ["unstable"]
 
 [dependencies.abscissa_core]
diff --git a/relayer/Cargo.toml b/relayer/Cargo.toml
index 5ce41e4bd2..bc32264c10 100644
--- a/relayer/Cargo.toml
+++ b/relayer/Cargo.toml
@@ -25,7 +25,6 @@ ibc           = { version = "0.9.0", path = "../modules" }
 ibc-proto     = { version = "0.13.0", path = "../proto" }
 ibc-telemetry = { version = "0.9.0", path = "../telemetry", optional = true }
 
-chrono = { version = "0.4.19", default-features = false, features = ["clock"] }
 subtle-encoding = "0.5"
 humantime-serde = "1.0.0"
 serde = "1.0"
@@ -71,20 +70,20 @@ version = "0.4.0"
 features = ["num-bigint", "serde"]
 
 [dependencies.tendermint]
-version = "=0.23.1"
+version = "=0.23.2"
 features = ["secp256k1"]
 
 [dependencies.tendermint-rpc]
-version = "=0.23.1"
+version = "=0.23.2"
 features = ["http-client", "websocket-client"]
 
 [dependencies.tendermint-light-client]
-version = "=0.23.1"
+version = "=0.23.2"
 default-features = false
 features = ["rpc-client", "secp256k1", "unstable"]
 
 [dependencies.tendermint-proto]
-version = "=0.23.1"
+version = "=0.23.2"
 
 [dev-dependencies]
 ibc = { version = "0.9.0", path = "../modules", features = ["mocks"] }
@@ -94,4 +93,4 @@ tracing-subscriber = { version = "0.3.3", features = ["fmt", "env-filter", "json
 test-log = { version = "0.2.8", features = ["trace"] }
 
 # Needed for generating (synthetic) light blocks.
-tendermint-testgen = { version = "=0.23.1" }
+tendermint-testgen = { version = "=0.23.2" }
diff --git a/relayer/src/chain/cosmos.rs b/relayer/src/chain/cosmos.rs
index 12062b4145..c24fd9f223 100644
--- a/relayer/src/chain/cosmos.rs
+++ b/relayer/src/chain/cosmos.rs
@@ -12,7 +12,6 @@ use std::{fmt, thread, time::Instant};
 
 use bech32::{ToBase32, Variant};
 use bitcoin::hashes::hex::ToHex;
-use chrono::DateTime;
 use itertools::Itertools;
 use prost::Message;
 use prost_types::Any;
@@ -57,7 +56,6 @@ use ibc::core::ics24_host::{ClientUpgradePath, Path, IBC_QUERY_PATH, SDK_UPGRADE
 use ibc::events::{from_tx_response_event, IbcEvent};
 use ibc::query::{QueryTxHash, QueryTxRequest};
 use ibc::signer::Signer;
-use ibc::timestamp::Timestamp;
 use ibc::Height as ICSHeight;
 use ibc::{downcast, query::QueryBlockRequest};
 use ibc_proto::cosmos::auth::v1beta1::{BaseAccount, EthAccount, QueryAccountRequest};
@@ -1103,7 +1101,7 @@ impl ChainEndpoint for CosmosSdkChain {
         crate::time!("query_status");
         let status = self.status()?;
 
-        let time = DateTime::from(status.sync_info.latest_block_time);
+        let time = status.sync_info.latest_block_time;
         let height = ICSHeight {
             revision_number: ChainId::chain_version(status.node_info.network.as_str()),
             revision_height: u64::from(status.sync_info.latest_block_height),
@@ -1111,7 +1109,7 @@ impl ChainEndpoint for CosmosSdkChain {
 
         Ok(StatusResponse {
             height,
-            timestamp: Timestamp::from_datetime(time),
+            timestamp: time.into(),
         })
     }
 
diff --git a/relayer/src/foreign_client.rs b/relayer/src/foreign_client.rs
index a45ebe9f6a..0fc6447ecf 100644
--- a/relayer/src/foreign_client.rs
+++ b/relayer/src/foreign_client.rs
@@ -2,7 +2,6 @@ use core::{fmt, time::Duration};
 use std::thread;
 use std::time::Instant;
 
-use chrono::Utc;
 use itertools::Itertools;
 use prost_types::Any;
 use tracing::{debug, error, info, trace, warn};
@@ -569,7 +568,7 @@ impl<DstChain: ChainHandle, SrcChain: ChainHandle> ForeignClient<DstChain, SrcCh
         // we can backoff between subsequent client updates.
         let refresh_window = client_state.refresh_period();
         // Compute the duration since the last update of this client
-        let elapsed = Timestamp::from_datetime(Utc::now()).duration_since(&last_update_time);
+        let elapsed = Timestamp::now().duration_since(&last_update_time);
 
         if client_state.is_frozen() || client_state.expired(elapsed.unwrap_or_default()) {
             return Err(ForeignClientError::expired_or_frozen(
diff --git a/relayer/src/transfer.rs b/relayer/src/transfer.rs
index 2e897a21c7..fcc7f0ad0e 100644
--- a/relayer/src/transfer.rs
+++ b/relayer/src/transfer.rs
@@ -2,7 +2,6 @@ use core::fmt::{Display, Formatter};
 use core::str::FromStr;
 use core::time::Duration;
 
-use chrono::Utc;
 use flex_error::{define_error, DetailOnly};
 use ibc::applications::ics20_fungible_token_transfer::msgs::transfer::MsgTransfer;
 use ibc::core::ics24_host::identifier::{ChainId, ChannelId, PortId};
@@ -98,8 +97,7 @@ pub fn build_and_send_transfer_messages<SrcChain: ChainHandle, DstChain: ChainHa
     let timeout_timestamp = if opts.timeout_seconds == Duration::from_secs(0) {
         Timestamp::none()
     } else {
-        (Timestamp::from_datetime(Utc::now()) + opts.timeout_seconds)
-            .map_err(PacketError::timestamp_overflow)?
+        (Timestamp::now() + opts.timeout_seconds).map_err(PacketError::timestamp_overflow)?
     };
 
     let timeout_height = if opts.timeout_height_offset == 0 {
diff --git a/tools/integration-test/Cargo.toml b/tools/integration-test/Cargo.toml
index 3257d190ca..d8b6538ed6 100644
--- a/tools/integration-test/Cargo.toml
+++ b/tools/integration-test/Cargo.toml
@@ -18,8 +18,8 @@ ibc             = { path = "../../modules" }
 ibc-relayer     = { path = "../../relayer" }
 ibc-relayer-cli = { path = "../../relayer-cli" }
 ibc-proto       = { path = "../../proto" }
-tendermint      = { version = "=0.23.1" }
-tendermint-rpc  = { version = "=0.23.1", features = ["http-client", "websocket-client"] }
+tendermint      = { version = "=0.23.2" }
+tendermint-rpc  = { version = "=0.23.2", features = ["http-client", "websocket-client"] }
 
 tokio = { version = "1.0", features = ["full"] }
 tracing = "0.1.26"