diff --git a/net-im/synapse/synapse-1.113.0-r1.ebuild b/net-im/synapse/synapse-1.113.0-r1.ebuild
index f3419579ad09d..2a3f66af95ae8 100644
--- a/net-im/synapse/synapse-1.113.0-r1.ebuild
+++ b/net-im/synapse/synapse-1.113.0-r1.ebuild
@@ -124,9 +124,7 @@ DEPEND="
 	acct-user/synapse
 	acct-group/synapse
 "
-# The dev-python/twisted-24.3.0_p20240628 snapshot available in our tree
-# introduces some breaking changes for synapse,
-# see https://github.com/element-hq/synapse/issues/17075
+# <twisted: https://github.com/element-hq/synapse/issues/17075
 RDEPEND="
 	${DEPEND}
 	dev-python/attrs[${PYTHON_USEDEP}]
@@ -156,7 +154,7 @@ RDEPEND="
 	dev-python/signedjson[${PYTHON_USEDEP}]
 	dev-python/sortedcontainers[${PYTHON_USEDEP}]
 	dev-python/treq[${PYTHON_USEDEP}]
-	dev-python/twisted[${PYTHON_USEDEP}]
+	<dev-python/twisted-24.10[${PYTHON_USEDEP}]
 	dev-python/typing-extensions[${PYTHON_USEDEP}]
 	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
 	postgres? ( dev-python/psycopg:2[${PYTHON_USEDEP}] )
diff --git a/net-im/synapse/synapse-1.114.0-r1.ebuild b/net-im/synapse/synapse-1.114.0-r1.ebuild
index 1babee2f0d9a5..5445fd9a9573d 100644
--- a/net-im/synapse/synapse-1.114.0-r1.ebuild
+++ b/net-im/synapse/synapse-1.114.0-r1.ebuild
@@ -124,9 +124,7 @@ DEPEND="
 	acct-user/synapse
 	acct-group/synapse
 "
-# The dev-python/twisted-24.3.0_p20240628 snapshot available in our tree
-# introduces some breaking changes for synapse,
-# see https://github.com/element-hq/synapse/issues/17075
+# <twisted: https://github.com/element-hq/synapse/issues/17075
 RDEPEND="
 	${DEPEND}
 	dev-python/attrs[${PYTHON_USEDEP}]
@@ -156,7 +154,7 @@ RDEPEND="
 	dev-python/signedjson[${PYTHON_USEDEP}]
 	dev-python/sortedcontainers[${PYTHON_USEDEP}]
 	dev-python/treq[${PYTHON_USEDEP}]
-	dev-python/twisted[${PYTHON_USEDEP}]
+	<dev-python/twisted-24.10[${PYTHON_USEDEP}]
 	dev-python/typing-extensions[${PYTHON_USEDEP}]
 	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
 	postgres? ( dev-python/psycopg:2[${PYTHON_USEDEP}] )
diff --git a/net-im/synapse/synapse-1.115.0-r2.ebuild b/net-im/synapse/synapse-1.115.0-r2.ebuild
index 3a7e70a1e23cb..39b32557718e7 100644
--- a/net-im/synapse/synapse-1.115.0-r2.ebuild
+++ b/net-im/synapse/synapse-1.115.0-r2.ebuild
@@ -124,9 +124,7 @@ DEPEND="
 	acct-user/synapse
 	acct-group/synapse
 "
-# The dev-python/twisted-24.3.0_p20240628 snapshot available in our tree
-# introduces some breaking changes for synapse,
-# see https://github.com/element-hq/synapse/issues/17075
+# <twisted: https://github.com/element-hq/synapse/issues/17075
 RDEPEND="
 	${DEPEND}
 	dev-python/attrs[${PYTHON_USEDEP}]
@@ -156,7 +154,7 @@ RDEPEND="
 	dev-python/signedjson[${PYTHON_USEDEP}]
 	dev-python/sortedcontainers[${PYTHON_USEDEP}]
 	dev-python/treq[${PYTHON_USEDEP}]
-	dev-python/twisted[${PYTHON_USEDEP}]
+	<dev-python/twisted-24.10[${PYTHON_USEDEP}]
 	dev-python/typing-extensions[${PYTHON_USEDEP}]
 	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
 	$(python_gen_cond_dep '
diff --git a/net-im/synapse/synapse-1.116.0-r1.ebuild b/net-im/synapse/synapse-1.116.0-r1.ebuild
index b030bb579e910..a5627622a9e93 100644
--- a/net-im/synapse/synapse-1.116.0-r1.ebuild
+++ b/net-im/synapse/synapse-1.116.0-r1.ebuild
@@ -124,9 +124,7 @@ DEPEND="
 	acct-user/synapse
 	acct-group/synapse
 "
-# The dev-python/twisted-24.3.0_p20240628 snapshot available in our tree
-# introduces some breaking changes for synapse,
-# see https://github.com/element-hq/synapse/issues/17075
+# <twisted: https://github.com/element-hq/synapse/issues/17075
 RDEPEND="
 	${DEPEND}
 	dev-python/attrs[${PYTHON_USEDEP}]
@@ -156,7 +154,7 @@ RDEPEND="
 	dev-python/signedjson[${PYTHON_USEDEP}]
 	dev-python/sortedcontainers[${PYTHON_USEDEP}]
 	dev-python/treq[${PYTHON_USEDEP}]
-	dev-python/twisted[${PYTHON_USEDEP}]
+	<dev-python/twisted-24.10[${PYTHON_USEDEP}]
 	dev-python/typing-extensions[${PYTHON_USEDEP}]
 	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
 	postgres? ( dev-python/psycopg:2[${PYTHON_USEDEP}] )
diff --git a/net-im/synapse/synapse-1.116.0-r2.ebuild b/net-im/synapse/synapse-1.116.0-r2.ebuild
index 4506c4e74f1dd..de5fd7861198a 100644
--- a/net-im/synapse/synapse-1.116.0-r2.ebuild
+++ b/net-im/synapse/synapse-1.116.0-r2.ebuild
@@ -124,9 +124,7 @@ DEPEND="
 	acct-user/synapse
 	acct-group/synapse
 "
-# The dev-python/twisted-24.3.0_p20240628 snapshot available in our tree
-# introduces some breaking changes for synapse,
-# see https://github.com/element-hq/synapse/issues/17075
+# <twisted: https://github.com/element-hq/synapse/issues/17075
 RDEPEND="
 	${DEPEND}
 	dev-python/attrs[${PYTHON_USEDEP}]
@@ -156,7 +154,7 @@ RDEPEND="
 	dev-python/signedjson[${PYTHON_USEDEP}]
 	dev-python/sortedcontainers[${PYTHON_USEDEP}]
 	dev-python/treq[${PYTHON_USEDEP}]
-	dev-python/twisted[${PYTHON_USEDEP}]
+	<dev-python/twisted-24.10[${PYTHON_USEDEP}]
 	dev-python/typing-extensions[${PYTHON_USEDEP}]
 	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
 	postgres? ( dev-python/psycopg:2[${PYTHON_USEDEP}] )