diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05c44ad..64e4e03 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,10 +16,10 @@ set(XTENSOR_SIGNAL_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
 # ==========
 
 set(XTENSOR_SIGNAL_CONFIG_FILE
-    "${XTENSOR_SIGNAL_INCLUDE_DIR}/xtensor-signal/xtensor_python_config.hpp")
-file(STRINGS ${XTENSOR_SIGNAL_CONFIG_FILE} xtensor_python_version_defines
+    "${XTENSOR_SIGNAL_INCLUDE_DIR}/xtensor-signal/xtensor_signal.hpp")
+file(STRINGS ${XTENSOR_SIGNAL_CONFIG_FILE} xtensor_signal_version_defines
     REGEX "#define XTENSOR_SIGNAL_VERSION_(MAJOR|MINOR|PATCH)")
-foreach(ver ${xtensor_python_version_defines})
+foreach(ver ${xtensor_signal_version_defines})
     if(ver MATCHES "#define XTENSOR_SIGNAL_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
         set(XTENSOR_SIGNAL_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
     endif()
@@ -70,7 +70,7 @@ set(XTENSOR_SIGNAL_HEADERS
 add_library(xtensor-signal INTERFACE)
 
 target_include_directories(xtensor-signal INTERFACE
-    $<BUILD_INTERFACE:${XTENSOR_SIGNAL_INCLUDE_DIR>
+    $<BUILD_INTERFACE:${XTENSOR_SIGNAL_INCLUDE_DIR}>
     $<INSTALL_INTERFACE:include>)
 
 target_link_libraries(xtensor-signal INTERFACE xtensor xsimd)
diff --git a/environment-dev.yml b/environment-dev.yml
index 50bce1e..3c653a9 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -7,6 +7,6 @@ dependencies:
   - ninja
   # Host dependencies
   - xsimd
-  - xtensor=0.24.0
+  - xtensor=0.24.3
   - doctest