diff --git a/Cargo.lock b/Cargo.lock
index 761bb18e81..337e26c8ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -135,7 +135,7 @@ dependencies = [
  "log",
  "mime",
  "percent-encoding",
- "pin-project 1.0.1",
+ "pin-project 1.0.2",
  "rand 0.7.3",
  "regex",
  "serde",
@@ -143,7 +143,7 @@ dependencies = [
  "serde_urlencoded",
  "sha-1",
  "slab",
- "time 0.2.22",
+ "time 0.2.23",
 ]
 
 [[package]]
@@ -310,14 +310,14 @@ dependencies = [
  "log",
  "mime",
  "openssl",
- "pin-project 1.0.1",
+ "pin-project 1.0.2",
  "regex",
  "rustls",
  "serde",
  "serde_json",
  "serde_urlencoded",
  "socket2",
- "time 0.2.22",
+ "time 0.2.23",
  "tinyvec",
  "url",
 ]
@@ -860,7 +860,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "784ad0fbab4f3e9cef09f20e0aea6000ae08d2cb98ac4c0abc53df18803d702f"
 dependencies = [
  "percent-encoding",
- "time 0.2.22",
+ "time 0.2.23",
  "version_check 0.9.2",
 ]
 
@@ -1499,7 +1499,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project 1.0.1",
+ "pin-project 1.0.2",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -1682,7 +1682,7 @@ dependencies = [
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.1",
+ "pin-project 1.0.2",
  "socket2",
  "tokio",
  "tower-service",
@@ -1722,7 +1722,7 @@ dependencies = [
 [[package]]
 name = "ic-agent"
 version = "0.1.0"
-source = "git+https://github.com/dfinity/agent-rs.git?branch=next#132d7995435aeaf8011ee02c0b4009c292c5c2cd"
+source = "git+https://github.com/dfinity/agent-rs.git?branch=next#6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 dependencies = [
  "async-trait",
  "base32",
@@ -1732,6 +1732,7 @@ dependencies = [
  "hex",
  "ic-types",
  "leb128",
+ "mime",
  "openssl",
  "pem 0.8.1",
  "rand 0.7.3",
@@ -1749,7 +1750,7 @@ dependencies = [
 [[package]]
 name = "ic-types"
 version = "0.1.2"
-source = "git+https://github.com/dfinity/agent-rs.git?branch=next#132d7995435aeaf8011ee02c0b4009c292c5c2cd"
+source = "git+https://github.com/dfinity/agent-rs.git?branch=next#6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 dependencies = [
  "base32",
  "crc32fast",
@@ -1761,7 +1762,7 @@ dependencies = [
 [[package]]
 name = "ic-utils"
 version = "0.1.0"
-source = "git+https://github.com/dfinity/agent-rs.git?branch=next#132d7995435aeaf8011ee02c0b4009c292c5c2cd"
+source = "git+https://github.com/dfinity/agent-rs.git?branch=next#6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 dependencies = [
  "async-trait",
  "candid",
@@ -1956,9 +1957,9 @@ checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
 
 [[package]]
 name = "lock_api"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
+checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
 dependencies = [
  "scopeguard",
 ]
@@ -2347,9 +2348,9 @@ checksum = "afb2e1c3ee07430c2cf76151675e583e0f19985fa6efae47d6848a3e2c824f85"
 
 [[package]]
 name = "parking_lot"
-version = "0.11.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
+checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
  "instant",
  "lock_api",
@@ -2435,11 +2436,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee41d838744f60d959d7074e3afb6b35c7456d0f61cad38a24e35e6553f73841"
+checksum = "9ccc2237c2c489783abd8c4c80e5450fc0e98644555b1364da68cc29aa151ca7"
 dependencies = [
- "pin-project-internal 1.0.1",
+ "pin-project-internal 1.0.2",
 ]
 
 [[package]]
@@ -2455,9 +2456,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81a4ffa594b66bff340084d4081df649a7dc049ac8d7fc458d8e628bfbbb2f86"
+checksum = "f8e8d2bf0b23038a4424865103a4df472855692821aab4e4f5c3312d461d9e5f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2889,9 +2890,9 @@ dependencies = [
 
 [[package]]
 name = "resolv-conf"
-version = "0.6.3"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11834e137f3b14e309437a8276714eed3a80d1ef894869e510f2c0c0b98b9f4a"
+checksum = "52e44394d2086d010551b14b53b1f24e31647570cd1deb0379e2c21b329aba00"
 dependencies = [
  "hostname",
  "quick-error",
@@ -2899,9 +2900,9 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.16.15"
+version = "0.16.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "952cd6b98c85bbc30efa1ba5783b8abf12fec8b3287ffa52605b9432313e34e4"
+checksum = "b72b84d47e8ec5a4f2872e8262b8f8256c5be1c938a7d6d3a867a3ba8f722f74"
 dependencies = [
  "cc",
  "libc",
@@ -3226,9 +3227,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "7acad6f34eb9e8a259d3283d1e8c1d34d7415943d4895f65cc73813c7396fc85"
 
 [[package]]
 name = "socket2"
@@ -3250,9 +3251,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "standback"
-version = "0.2.11"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4e0831040d2cf2bdfd51b844be71885783d489898a192f254ae25d57cce725c"
+checksum = "cf906c8b8fc3f6ecd1046e01da1d8ddec83e48c8b08b84dcc02b585a6bedf5a8"
 dependencies = [
  "version_check 0.9.2",
 ]
@@ -3410,18 +3411,18 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.0"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
+checksum = "bf11676eb135389f21fcda654382c4859bbfc1d2f36e4425a2f829bb41b1e20e"
 dependencies = [
  "winapi-util",
 ]
 
 [[package]]
 name = "terminal_size"
-version = "0.1.13"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a14cd9f8c72704232f0bfc8455c0e861f0ad4eb60cc9ec8a170e231414c1e13"
+checksum = "4bd2d183bd3fac5f5fe38ddbeb4dc9aec4a39a9d7d59e7491d900302da01cbe1"
 dependencies = [
  "libc",
  "winapi 0.3.9",
@@ -3496,9 +3497,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.2.22"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55b7151c9065e80917fbf285d9a5d1432f60db41d170ccafc749a136b41a93af"
+checksum = "bcdaeea317915d59b2b4cd3b5efcd156c309108664277793f5351700c02ce98b"
 dependencies = [
  "const_fn",
  "libc",
@@ -3670,9 +3671,9 @@ checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
 
 [[package]]
 name = "trust-dns-proto"
-version = "0.19.5"
+version = "0.19.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdd7061ba6f4d4d9721afedffbfd403f20f39a4301fee1b70d6fcd09cca69f28"
+checksum = "53861fcb288a166aae4c508ae558ed18b53838db728d4d310aad08270a7d4c2b"
 dependencies = [
  "async-trait",
  "backtrace",
@@ -3690,9 +3691,9 @@ dependencies = [
 
 [[package]]
 name = "trust-dns-resolver"
-version = "0.19.5"
+version = "0.19.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f23cdfdc3d8300b3c50c9e84302d3bd6d860fb9529af84ace6cf9665f181b77"
+checksum = "6759e8efc40465547b0dfce9500d733c65f969a4cbbfbe3ccf68daaa46ef179e"
 dependencies = [
  "backtrace",
  "cfg-if 0.1.10",
@@ -3746,18 +3747,18 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7f98e67a4d84f730d343392f9bfff7d21e3fca562b9cb7a43b768350beeddc6"
+checksum = "f1e9a0b71dba18b6fa17c7b3dcf1440bb3522552deb2f84bf47dabd9fb7e5570"
 dependencies = [
  "tinyvec",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+checksum = "db8716a166f290ff49dabc18b44aa407cb7c6dbe1aa0971b44b8a24b0ca35aae"
 
 [[package]]
 name = "unicode-width"
diff --git a/Cargo.toml b/Cargo.toml
index d7649e59e3..19e9312853 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,16 +7,16 @@ members = [
 version = "0.1.0"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 
 [patch.crates-io.ic-types]
 version = "0.1.2"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 
 [patch.crates-io.ic-utils]
 version = "0.1.0"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
diff --git a/nix/sources.json b/nix/sources.json
index 44a3fb9edf..ebb783645a 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -44,9 +44,9 @@
         "type": "git"
     },
     "ic-ref": {
-        "branch": "release-0.11",
+        "branch": "release-0.13",
         "repo": "ssh://git@github.com/dfinity-lab/ic-ref",
-        "rev": "9edd0fdda006519118ed40515b84c74f69c59bc1",
+        "rev": "d08472d437c95534ee3d09e635a370522ea0fd37",
         "type": "git"
     },
     "motoko": {
diff --git a/src/dfx/Cargo.toml b/src/dfx/Cargo.toml
index 0f84899551..c0dbcfd2cd 100644
--- a/src/dfx/Cargo.toml
+++ b/src/dfx/Cargo.toml
@@ -71,19 +71,19 @@ wasmparser = "0.45.0"
 version = "0.1.0"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 
 [dependencies.ic-types]
 version = "0.1.2"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 
 [dependencies.ic-utils]
 version = "0.1.0"
 git = "https://github.com/dfinity/agent-rs.git"
 branch = "next"
-rev = "dd99c5c1d7f2ade92451d21eb20fccca59237b84"
+rev = "6c02ef4bf25d82652ceb60c93b9df1a8863f0524"
 
 [dev-dependencies]
 env_logger = "0.6"
diff --git a/src/dfx/src/lib/error/mod.rs b/src/dfx/src/lib/error/mod.rs
index 578d78ad46..fd0a26786a 100644
--- a/src/dfx/src/lib/error/mod.rs
+++ b/src/dfx/src/lib/error/mod.rs
@@ -194,19 +194,8 @@ impl Display for DfxError {
                     reject_code, reject_message
                 ))?;
             }
-            DfxError::AgentError(AgentError::HttpError {
-                status,
-                content_type,
-                content,
-            }) if is_plain_text_utf8(content_type) => {
-                f.write_fmt(format_args!(
-                    "Replica error (HTTP status {}): {}",
-                    status,
-                    String::from_utf8(content.to_vec()).unwrap_or_else(|from_utf8_err| format!(
-                        "(unable to decode content: {:#?})",
-                        from_utf8_err
-                    ))
-                ))?;
+            DfxError::AgentError(AgentError::HttpError(http_error_payload)) => {
+                f.write_fmt(format_args!("Replica error: {}", http_error_payload))?;
             }
             DfxError::Unknown(err) => {
                 f.write_fmt(format_args!("Unknown error: {}", err))?;
@@ -341,12 +330,3 @@ impl From<delay::WaiterError> for DfxError {
         DfxError::WaiterError(err)
     }
 }
-
-fn is_plain_text_utf8(content_type: &Option<String>) -> bool {
-    // text/plain is also sometimes returned by the replica (or ic-ref),
-    // depending on where in the stack the error happens.
-    matches!(
-        content_type.as_ref().and_then(|s|s.parse::<mime::Mime>().ok()),
-        Some(mt) if mt == mime::TEXT_PLAIN || mt == mime::TEXT_PLAIN_UTF_8
-    )
-}