diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e8c96b..cc9029b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 ## [Unreleased]
 
-### [1.11.0] - 2024-08-11
+## [1.12.0] - 2024-08-11
+### Changed
+- Timed blocks of code and their timeout errors: reduced error message object allocations;
+
+## [1.11.0] - 2024-08-11
 ### Changed
 - Lock Acquierment Timeout (`acq_timeout`/`queue_ttl`): more correct timeout error interception
   inside the `RedisQueuedLocks::Acquier::AcquireLock::WithAcqTimeout` logic that now raises and
diff --git a/Gemfile.lock b/Gemfile.lock
index 9d51dac..2e3ba89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    redis_queued_locks (1.11.0)
+    redis_queued_locks (1.12.0)
       qonfig (~> 0.28)
       redis-client (~> 0.20)
 
diff --git a/lib/redis_queued_locks/acquier/acquire_lock/with_acq_timeout.rb b/lib/redis_queued_locks/acquier/acquire_lock/with_acq_timeout.rb
index 436a174..ad4a5f9 100644
--- a/lib/redis_queued_locks/acquier/acquire_lock/with_acq_timeout.rb
+++ b/lib/redis_queued_locks/acquier/acquire_lock/with_acq_timeout.rb
@@ -19,6 +19,8 @@ module RedisQueuedLocks::Acquier::AcquireLock::WithAcqTimeout
   #   Callback invoked on Timeout::Error.
   # @return [Any]
   #
+  # @raise [RedisQueuedLocks::LockAcquiermentIntermediateTimeoutError]
+  #
   # @api private
   # @since 1.0.0
   # @version 1.11.0
diff --git a/lib/redis_queued_locks/acquier/acquire_lock/yield_expire.rb b/lib/redis_queued_locks/acquier/acquire_lock/yield_expire.rb
index 21941ca..79dd425 100644
--- a/lib/redis_queued_locks/acquier/acquire_lock/yield_expire.rb
+++ b/lib/redis_queued_locks/acquier/acquire_lock/yield_expire.rb
@@ -107,28 +107,22 @@ def yield_expire(
   # @param block [Blcok]
   # @return [Any]
   #
+  # @raise [RedisQueuedLocks::TimedLockTimeoutError]
+  #
   # @api private
   # @since 1.3.0
-  # @version 1.10.0
+  # @version 1.12.0
   def yield_with_timeout(timeout, lock_key, lock_ttl, acquier_id, host_id, meta, &block)
-    ::Timeout.timeout(
-      timeout,
+    ::Timeout.timeout(timeout, RedisQueuedLocks::TimedLockIntermediateTimeoutError, &block)
+  rescue RedisQueuedLocks::TimedLockIntermediateTimeoutError
+    raise(
       RedisQueuedLocks::TimedLockTimeoutError,
-      # NOTE:
-      #   - this string is generated on each invocation cuz we need to raise custom exception
-      #     from the Timeout API in order to prevent incorred Timeout::Error interception when
-      #     the intercepted error is caused from the block not from the RQL;
-      #   - we can't omit this string object creation at the moment via original Ruby's Timeout API;
-      # TODO:
-      #   - refine Timeout#timeout (via Ruby's Refinement API) in order to provide lazy exception
-      #     message initialization;
       "Passed <timed> block of code exceeded the lock TTL " \
       "(lock: \"#{lock_key}\", " \
       "ttl: #{lock_ttl}, " \
       "meta: #{meta ? meta.inspect : '<no-meta>'}, " \
       "acq_id: \"#{acquier_id}\", " \
       "hst_id: \"#{host_id}\")",
-      &block
     )
   end
 end
diff --git a/lib/redis_queued_locks/errors.rb b/lib/redis_queued_locks/errors.rb
index ed75064..6881c45 100644
--- a/lib/redis_queued_locks/errors.rb
+++ b/lib/redis_queued_locks/errors.rb
@@ -25,6 +25,10 @@ module RedisQueuedLocks
   # @since 1.0.0
   LockAcquiermentRetryLimitError = Class.new(Error)
 
+  # @api private
+  # @since 1.12.0
+  TimedLockIntermediateTimeoutError = Class.new(::Timeout::Error)
+
   # @api pulic
   # @since 1.0.0
   TimedLockTimeoutError = Class.new(Error)
diff --git a/lib/redis_queued_locks/version.rb b/lib/redis_queued_locks/version.rb
index 64c228e..5328810 100644
--- a/lib/redis_queued_locks/version.rb
+++ b/lib/redis_queued_locks/version.rb
@@ -5,6 +5,6 @@ module RedisQueuedLocks
   #
   # @api public
   # @since 0.0.1
-  # @version 1.11.0
-  VERSION = '1.11.0'
+  # @version 1.12.0
+  VERSION = '1.12.0'
 end