diff --git a/ChangeLog.md b/ChangeLog.md
index fc8f7d2ec..f28d4a38e 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -12,8 +12,6 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Changed
 
-- Switched to reusable workflows for CI
-
 ### Added
 
 ### Removed
@@ -23,6 +21,21 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ***
 
 
+## [0.35.1]
+
+### Changed
+
+- **BREAKING** Switched default clock for SAMD21 from the built-in 32bit RTC to the DS3231.
+*This is not be a permanent change.*
+- Switched to reusable workflows for CI
+
+### Fixed
+
+Fixed clock configuration for SAMD21
+
+***
+
+
 ## [0.35.0]
 
 ### Changed
@@ -831,7 +844,10 @@ Our first release of the modular sensors library to support easily logging data
 
 ***
 
-[Unreleased]: https://github.com/EnviroDIY/ModularSensors/compare/v0.33.4...HEAD
+[Unreleased]: https://github.com/EnviroDIY/ModularSensors/compare/v0.35.1...HEAD
+[0.35.1]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.35.1
+[0.35.0]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.35.0
+[0.34.0]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.34.0
 [0.33.4]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.33.4
 [0.33.3]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.33.3
 [0.33.2]: https://github.com/EnviroDIY/ModularSensors/releases/tag/v0.33.2
diff --git a/VERSION b/VERSION
index 7b52f5e51..731b95d7f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.35.0
+0.35.1
diff --git a/docs/Doxyfile b/docs/Doxyfile
index f1c5914d1..2a6aa481d 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = ModularSensors
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.35.0
+PROJECT_NUMBER         = 0.35.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/library.json b/library.json
index 687ebf63a..a964d33f7 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "EnviroDIY_ModularSensors",
-  "version": "0.35.0",
+  "version": "0.35.1",
   "description": "A library that allows access to multiple sensors through a unified interface.  This allows the user to simply access many sensors to log the data or send the data to data repositories like the EnviroDIY data portal.",
   "keywords": "modular, sensor, sensors, datalogger, logger, low power, sleeping, EnviroDIY, ModularSensors, Mayfly, WikiWatershed, Monitor My Watershed, ThingSpeak",
   "platforms": "atmelavr, atmelsam",
diff --git a/library.properties b/library.properties
index 8fd05ee5d..755fd5d22 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ModularSensors
-version=0.35.0
+version=0.35.1
 author=Sara Damiano <sdamiano@stroudcenter.org>, Shannon Hicks <shicks@stroudcenter.org>
 maintainer=Sara Damiano <sdamiano@stroudcenter.org>
 sentence=A library that allows access to multiple sensors through a unified interface.
diff --git a/src/LoggerBase.cpp b/src/LoggerBase.cpp
index 0d4ff60de..3c8564458 100644
--- a/src/LoggerBase.cpp
+++ b/src/LoggerBase.cpp
@@ -719,7 +719,7 @@ void Logger::systemSleep(void) {
     // clock source for the EIC to GCLK0 every time a new interrupt is attached
     // - and after being detached, reattaching the same interrupt is just like a
     // new one). We need to switch the EIC source back to our configured GCLK2.
-    Serial.println(F("Re-attaching the EIC to GCLK2"));
+    MS_DEEP_DBG(F("Re-attaching the EIC to GCLK2"));
     GCLK->CLKCTRL.reg = GCLK_CLKCTRL_GEN(2) |  // Select generic clock 2
         GCLK_CLKCTRL_CLKEN |       // Enable the generic clock clontrol
         GCLK_CLKCTRL_ID(GCM_EIC);  // Feed the GCLK to the EIC
diff --git a/src/ModularSensors.h b/src/ModularSensors.h
index 313cb58cd..6b07cc4c5 100644
--- a/src/ModularSensors.h
+++ b/src/ModularSensors.h
@@ -19,7 +19,7 @@
  * A pre-release version will always be indicated as slightly ahead of the
  * EnviroDIY branch that it is based on.
  */
-#define MODULAR_SENSORS_VERSION "0.35.0"
+#define MODULAR_SENSORS_VERSION "0.35.1"
 
 // To support interrupts
 #include "ModSensorInterrupts.h"