diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index 28a0a415..94f91b6d 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -18,7 +18,7 @@ FetchContent_Declare(
 FetchContent_Declare(
         fmt
         GIT_REPOSITORY https://github.com/fmtlib/fmt.git
-        GIT_TAG 10.2.1
+        GIT_TAG 11.0.2
 )
 
 # dependency of mp-units, building examples, tests, etc is off by default
diff --git a/src/disruptor/include/disruptor/RingBuffer.hpp b/src/disruptor/include/disruptor/RingBuffer.hpp
index 27b2d1c9..92cdc94b 100644
--- a/src/disruptor/include/disruptor/RingBuffer.hpp
+++ b/src/disruptor/include/disruptor/RingBuffer.hpp
@@ -242,7 +242,7 @@ struct fmt::formatter<opencmw::disruptor::RingBuffer<T, SIZE, WAIT_STRATEGY, CLA
     constexpr auto parse(ParseContext &ctx) { return ctx.begin(); }
 
     template<typename FormatContext>
-    auto format(const opencmw::disruptor::RingBuffer<T, SIZE, WAIT_STRATEGY, CLAIM_STRATEGY> &ringBuffer, FormatContext &ctx) {
+    auto format(const opencmw::disruptor::RingBuffer<T, SIZE, WAIT_STRATEGY, CLAIM_STRATEGY> &ringBuffer, FormatContext &ctx) const {
         std::stringstream stream;
         stream << fmt::format("RingBuffer<{}, {}> - WaitStrategy: {{ {} }}, Cursor: {}, GatingSequences: [ ",
                 opencmw::typeName<T>, ringBuffer.bufferSize(), opencmw::typeName<WAIT_STRATEGY>, ringBuffer.cursor());
@@ -268,7 +268,7 @@ struct fmt::formatter<opencmw::disruptor::PollState> {
     constexpr auto parse(ParseContext &ctx) { return ctx.begin(); }
 
     template<typename FormatContext>
-    auto format(opencmw::disruptor::PollState const &value, FormatContext &ctx) {
+    auto format(opencmw::disruptor::PollState const &value, FormatContext &ctx) const {
         switch (value) {
         case opencmw::disruptor::PollState::Processing:
             return fmt::format_to(ctx.out(), "PollState::Processing");
diff --git a/src/disruptor/include/disruptor/Sequence.hpp b/src/disruptor/include/disruptor/Sequence.hpp
index ef6e14b3..3ea03915 100644
--- a/src/disruptor/include/disruptor/Sequence.hpp
+++ b/src/disruptor/include/disruptor/Sequence.hpp
@@ -152,7 +152,7 @@ struct fmt::formatter<opencmw::disruptor::Sequence> {
     }
 
     template<typename FormatContext>
-    auto format(opencmw::disruptor::Sequence const &value, FormatContext &ctx) {
+    auto format(opencmw::disruptor::Sequence const &value, FormatContext &ctx) const {
         return fmt::format_to(ctx.out(), "{}", value.value());
     }
 };