diff --git a/Cargo.lock b/Cargo.lock
index 0291977d..07df89e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5109,7 +5109,7 @@ dependencies = [
 [[package]]
 name = "ruma"
 version = "0.14.1"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "assign",
  "js_int",
@@ -5124,7 +5124,7 @@ dependencies = [
 [[package]]
 name = "ruma-client-api"
 version = "0.22.1"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "as_variant",
  "assign",
@@ -5147,7 +5147,7 @@ dependencies = [
 [[package]]
 name = "ruma-common"
 version = "0.17.1"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "as_variant",
  "base64",
@@ -5179,7 +5179,7 @@ dependencies = [
 [[package]]
 name = "ruma-events"
 version = "0.32.1"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "as_variant",
  "indexmap 2.13.0",
@@ -5201,7 +5201,7 @@ dependencies = [
 [[package]]
 name = "ruma-html"
 version = "0.6.0"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "as_variant",
  "html5ever",
@@ -5212,7 +5212,7 @@ dependencies = [
 [[package]]
 name = "ruma-identifiers-validation"
 version = "0.12.0"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "js_int",
  "thiserror 2.0.17",
@@ -5221,7 +5221,7 @@ dependencies = [
 [[package]]
 name = "ruma-macros"
 version = "0.17.1"
-source = "git+https://github.com/project-robius/ruma.git?branch=tsp#98196b1db32d3393216f31d2c085a7082bd1d28d"
+source = "git+https://github.com/project-robius/ruma.git?branch=tolerant_sliding_sync_strings#1f1b25a96227d0435570ba5508c159bf508194ac"
 dependencies = [
  "as_variant",
  "cfg-if",
diff --git a/Cargo.toml b/Cargo.toml
index 381ee34c..c00b7a20 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -166,7 +166,11 @@ askar-storage = { git = "https://github.com/openwallet-foundation/askar.git" }
 ## Note: matrix-sdk currently uses a git dependency for ruma,
 ## so we patch the git source, not crates-io.
 [patch."https://github.com/ruma/ruma"]
-ruma = { git = "https://github.com/project-robius/ruma.git", branch = "tsp" }
+## Temporary: the `tolerant_sliding_sync_strings` branch makes simplified sliding sync
+## tolerate non-string name/avatar fields instead of failing the whole response.
+## Revert to the `tsp` branch once that fix is merged into it. See:
+## https://github.com/project-robius/robrix/issues/886
+ruma = { git = "https://github.com/project-robius/ruma.git", branch = "tolerant_sliding_sync_strings" }
 
 [build-dependencies]
 toml = "1"