diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a1909a..90d547b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [0.3.2] - 2024-06-19
+
+### Fixed
+- Add missing string import to BLEProtocol.h and Measurement.h
+
 ## [0.3.1] - 2024-05-21
 
 ### Fixed
diff --git a/library.properties b/library.properties
index 4334cd8..fd4b4d7 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Sensirion UPT Core
-version=0.3.1
+version=0.3.2
 author=Jonas Stolle, Maximilian Paulsen
 maintainer=Sensirion AG <sensirion.com>
 sentence=Library for definitions and configurations used by other Sensirion Unified Prototyping Toolkit (UPT) libraries.
diff --git a/src/BLEProtocol.cpp b/src/BLEProtocol.cpp
index ca73573..e4bbe3a 100644
--- a/src/BLEProtocol.cpp
+++ b/src/BLEProtocol.cpp
@@ -83,26 +83,29 @@ std::map<DataType, SampleConfig> sampleConfigSelector = {
      {.dataType = DataType::T_RH_CO2_ALT,
       .downloadType = 7,
       .sampleType = 8,
-      .sampleSizeBytes = 8, 
+      .sampleSizeBytes = 8,
       .sampleCountPerPacket = 2,
       .sensirionAdvertisementSampleType = 0,
-      .sampleSlots = {{SignalType::TEMPERATURE_DEGREES_CELSIUS,
-                       {.signalType = SignalType::TEMPERATURE_DEGREES_CELSIUS,
-                        .offset = 0,
-                        .encodingFunction = &encodeTemperatureV1,
-                        .decodingFunction = &decodeTemperatureV1}},
-                      {SignalType::RELATIVE_HUMIDITY_PERCENTAGE,
-                       {.signalType = SignalType::RELATIVE_HUMIDITY_PERCENTAGE,
-                        .offset = 2,
-                        .encodingFunction = &encodeHumidityV1,
-                        .decodingFunction = &decodeHumidityV1}},
-                      {SignalType::CO2_PARTS_PER_MILLION,
-                       {.signalType = SignalType::CO2_PARTS_PER_MILLION,
-                        .offset = 4,
-                        .encodingFunction = &encodeSimple,
-                        .decodingFunction = &decodeSimple}}
-                        // 2 Bytes reserved (ALT), not used, but bytes must be sent for proper decoding of samples
-                        }}},
+      .sampleSlots =
+          {
+              {SignalType::TEMPERATURE_DEGREES_CELSIUS,
+               {.signalType = SignalType::TEMPERATURE_DEGREES_CELSIUS,
+                .offset = 0,
+                .encodingFunction = &encodeTemperatureV1,
+                .decodingFunction = &decodeTemperatureV1}},
+              {SignalType::RELATIVE_HUMIDITY_PERCENTAGE,
+               {.signalType = SignalType::RELATIVE_HUMIDITY_PERCENTAGE,
+                .offset = 2,
+                .encodingFunction = &encodeHumidityV1,
+                .decodingFunction = &decodeHumidityV1}},
+              {SignalType::CO2_PARTS_PER_MILLION,
+               {.signalType = SignalType::CO2_PARTS_PER_MILLION,
+                .offset = 4,
+                .encodingFunction = &encodeSimple,
+                .decodingFunction = &decodeSimple}}
+              // 2 Bytes reserved (ALT), not used, but bytes must be sent for
+              // proper decoding of samples
+          }}},
     {T_RH_CO2_PM25,
      {.dataType = DataType::T_RH_CO2_PM25,
       .downloadType = 11,
diff --git a/src/BLEProtocol.h b/src/BLEProtocol.h
index 4063596..76652fc 100644
--- a/src/BLEProtocol.h
+++ b/src/BLEProtocol.h
@@ -4,6 +4,7 @@
 #include "Arduino.h"
 #include "SignalType.h"
 #include <map>
+#include <string>
 
 /**
  * Refer to
diff --git a/src/Measurement.h b/src/Measurement.h
index 168967a..eae09e4 100644
--- a/src/Measurement.h
+++ b/src/Measurement.h
@@ -5,6 +5,7 @@
 #include "SensorType.h"
 #include "SignalType.h"
 #include <Arduino.h>
+#include <string>
 
 struct DataPoint {
     unsigned long t_offset = 0;