diff --git a/src/interface/python/py_ircx/CMakeLists.txt b/src/interface/python/py_ircx/CMakeLists.txt
index 31e9833cf..429b41e50 100644
--- a/src/interface/python/py_ircx/CMakeLists.txt
+++ b/src/interface/python/py_ircx/CMakeLists.txt
@@ -5,6 +5,7 @@ add_library(py_ircx ${PY_IRCX_SRC})
 target_link_libraries(py_ircx
     PUBLIC
         ircx_api
+        ircx_ics55
         pybind11::pybind11
 )
 target_include_directories(py_ircx
diff --git a/src/interface/python/py_ircx/py_ircx.cpp b/src/interface/python/py_ircx/py_ircx.cpp
index 910f811fc..812e99f99 100644
--- a/src/interface/python/py_ircx/py_ircx.cpp
+++ b/src/interface/python/py_ircx/py_ircx.cpp
@@ -17,21 +17,86 @@
 #include "py_ircx.h"
 
 #include "RCXAPI.hh"
+#include "ircx_ics55.h"
 
 namespace python_interface {
 
-bool init_rcx(const std::string& config)
+namespace {
+
+enum class RcxBackend
+{
+  kUninitialized,
+  kNative,
+  kIcs55,
+};
+
+RcxBackend active_backend = RcxBackend::kUninitialized;
+
+bool is_native_pdk(const std::optional<std::string>& pdk)
+{
+  return !pdk.has_value() || pdk->empty();
+}
+
+bool is_ics55_pdk(const std::optional<std::string>& pdk)
+{
+  return pdk.has_value() && *pdk == "ics55";
+}
+
+bool validate_pdk(const std::optional<std::string>& pdk)
 {
-  return RCX_API_INST.init(config);
+  return is_native_pdk(pdk) || is_ics55_pdk(pdk);
+}
+
+}  // namespace
+
+bool init_rcx(const std::string& config, const std::optional<std::string>& pdk)
+{
+  active_backend = RcxBackend::kUninitialized;
+
+  if (!validate_pdk(pdk)) {
+    return false;
+  }
+
+  if (is_ics55_pdk(pdk)) {
+    if (ircx_ics55_init(config.c_str()) != 0) {
+      active_backend = RcxBackend::kIcs55;
+      return true;
+    }
+
+    return false;
+  }
+
+  if (RCX_API_INST.init(config)) {
+    active_backend = RcxBackend::kNative;
+    return true;
+  }
+
+  return false;
 }
 
 bool run_rcx()
 {
+  if (active_backend == RcxBackend::kIcs55) {
+    return ircx_ics55_run() != 0;
+  }
+
+  if (active_backend != RcxBackend::kNative) {
+    return false;
+  }
+
   return RCX_API_INST.run();
 }
 
 bool report_rcx()
 {
+  if (active_backend == RcxBackend::kIcs55) {
+    return ircx_ics55_report() != 0;
+  }
+
+  if (active_backend != RcxBackend::kNative) {
+    return false;
+  }
+
   return RCX_API_INST.report();
 }
 
diff --git a/src/interface/python/py_ircx/py_ircx.h b/src/interface/python/py_ircx/py_ircx.h
index f2ca51276..bd4802371 100644
--- a/src/interface/python/py_ircx/py_ircx.h
+++ b/src/interface/python/py_ircx/py_ircx.h
@@ -16,13 +16,14 @@
 // ***************************************************************************************
 #pragma once
 
+#include <optional>
 #include <string>
 
 #include "RCXAPI.hh"
 
 namespace python_interface {
 
-bool init_rcx(const std::string& config);
+bool init_rcx(const std::string& config, const std::optional<std::string>& pdk = std::nullopt);
 bool run_rcx();
 bool report_rcx();
 
diff --git a/src/interface/python/py_ircx/py_register_ircx.h b/src/interface/python/py_ircx/py_register_ircx.h
index 5a7bb070c..8cec8b253 100644
--- a/src/interface/python/py_ircx/py_register_ircx.h
+++ b/src/interface/python/py_ircx/py_register_ircx.h
@@ -25,7 +25,7 @@ namespace py = pybind11;
 
 void register_ircx(py::module& m)
 {
-  m.def("init_rcx", init_rcx, py::arg("config"));
+  m.def("init_rcx", init_rcx, py::arg("config"), py::arg("pdk") = py::none());
   m.def("run_rcx", run_rcx);
   m.def("report_rcx", report_rcx);
 }
diff --git a/src/operation/iRCX/ics55/lib/libgcc_s.so.1 b/src/operation/iRCX/ics55/lib/libgcc_s.so.1
index c60710858..3f84508c6 100644
Binary files a/src/operation/iRCX/ics55/lib/libgcc_s.so.1 and b/src/operation/iRCX/ics55/lib/libgcc_s.so.1 differ
diff --git a/src/operation/iRCX/ics55/lib/libgflags.so.2.2 b/src/operation/iRCX/ics55/lib/libgflags.so.2.2
index 78eee2612..496fadb9f 100644
Binary files a/src/operation/iRCX/ics55/lib/libgflags.so.2.2 and b/src/operation/iRCX/ics55/lib/libgflags.so.2.2 differ
diff --git a/src/operation/iRCX/ics55/lib/libglog.so.1 b/src/operation/iRCX/ics55/lib/libglog.so.1
index 16a91dcc4..3e9940018 100644
Binary files a/src/operation/iRCX/ics55/lib/libglog.so.1 and b/src/operation/iRCX/ics55/lib/libglog.so.1 differ
diff --git a/src/operation/iRCX/ics55/lib/libgomp.so.1 b/src/operation/iRCX/ics55/lib/libgomp.so.1
index 34fb4fc07..5a3dc9d92 100644
Binary files a/src/operation/iRCX/ics55/lib/libgomp.so.1 and b/src/operation/iRCX/ics55/lib/libgomp.so.1 differ
diff --git a/src/operation/iRCX/ics55/lib/libircx_ics55.so b/src/operation/iRCX/ics55/lib/libircx_ics55.so
index afaa3f8c2..12119d1cf 100755
Binary files a/src/operation/iRCX/ics55/lib/libircx_ics55.so and b/src/operation/iRCX/ics55/lib/libircx_ics55.so differ
diff --git a/src/operation/iRCX/ics55/lib/liblzma.so.5 b/src/operation/iRCX/ics55/lib/liblzma.so.5
index 904207aa8..2dfb23888 100644
Binary files a/src/operation/iRCX/ics55/lib/liblzma.so.5 and b/src/operation/iRCX/ics55/lib/liblzma.so.5 differ
diff --git a/src/operation/iRCX/ics55/lib/libstdc++.so.6 b/src/operation/iRCX/ics55/lib/libstdc++.so.6
index ed9ba6dc9..0cdd1e9e2 100644
Binary files a/src/operation/iRCX/ics55/lib/libstdc++.so.6 and b/src/operation/iRCX/ics55/lib/libstdc++.so.6 differ
diff --git a/src/operation/iRCX/ics55/lib/libunwind.so.8 b/src/operation/iRCX/ics55/lib/libunwind.so.8
index a868ae8bd..4f87f3402 100644
Binary files a/src/operation/iRCX/ics55/lib/libunwind.so.8 and b/src/operation/iRCX/ics55/lib/libunwind.so.8 differ