diff --git a/studymanager/src/main/java/io/redlink/more/studymanager/controller/studymanager/ObservationsApiV1Controller.java b/studymanager/src/main/java/io/redlink/more/studymanager/controller/studymanager/ObservationsApiV1Controller.java
index d7356212..5b49eb0d 100644
--- a/studymanager/src/main/java/io/redlink/more/studymanager/controller/studymanager/ObservationsApiV1Controller.java
+++ b/studymanager/src/main/java/io/redlink/more/studymanager/controller/studymanager/ObservationsApiV1Controller.java
@@ -98,6 +98,22 @@ public ResponseEntity<EndpointTokenDTO> createToken(Long studyId, Integer observ
         );
     }
 
+    @Override
+    @RequiresStudyRole({StudyRole.STUDY_ADMIN, StudyRole.STUDY_OPERATOR})
+    public ResponseEntity<EndpointTokenDTO> updateTokenLabel(Long studyId, Integer observationId, Integer tokenId, String tokenLabel) {
+        Optional<EndpointToken> token = integrationService.updateToken(studyId, observationId, tokenId, tokenLabel.replace("\"", ""));
+
+        if(token.isEmpty()) {
+            throw new BadRequestException("Token with given id doesn't exist for given observation");
+        }
+
+        return ResponseEntity.ok().body(
+                EndpointTokenTransformer.toEndpointTokenDTO(
+                        token.get()
+                )
+        );
+    }
+
     @Override
     @RequiresStudyRole({StudyRole.STUDY_ADMIN, StudyRole.STUDY_OPERATOR})
     public ResponseEntity<EndpointTokenDTO> getToken(Long studyId, Integer observationId, Integer tokenId) {
diff --git a/studymanager/src/main/java/io/redlink/more/studymanager/repository/IntegrationRepository.java b/studymanager/src/main/java/io/redlink/more/studymanager/repository/IntegrationRepository.java
index 8ddbce16..3d6d6281 100644
--- a/studymanager/src/main/java/io/redlink/more/studymanager/repository/IntegrationRepository.java
+++ b/studymanager/src/main/java/io/redlink/more/studymanager/repository/IntegrationRepository.java
@@ -21,6 +21,7 @@
 
 @Component
 public class IntegrationRepository {
+    private static final String GET_TOKEN_BY_IDS = "SELECT * FROM observation_api_tokens WHERE study_id = ? AND observation_id = ? AND token_id = ?";
     private static final String ADD_TOKEN =
             "INSERT INTO observation_api_tokens(study_id, observation_id, token_id, token_label, token) " +
             "VALUES (:study_id, :observation_id, (SELECT COALESCE(MAX(token_id),0)+1 FROM observation_api_tokens WHERE study_id = :study_id AND observation_id = :observation_id), :token_label, :token) " +
@@ -37,7 +38,10 @@ public class IntegrationRepository {
             "DELETE FROM observation_api_tokens " +
             "WHERE study_id = ? AND observation_id = ? AND token_id = ?";
     private static final String DELETE_ALL = "DELETE FROM observation_api_tokens";
-
+    private static final String UPDATE_TOKEN =
+            "UPDATE observation_api_tokens " +
+            "SET token_label = :token_label " +
+            "WHERE study_id = :study_id AND observation_id = :observation_id AND token_id = :token_id";
     private static final String DELETE_ALL_FOR_STUDY_ID =
             "DELETE FROM observation_api_tokens " +
             "WHERE study_id = ?";
@@ -87,6 +91,25 @@ public void deleteToken(Long studyId, Integer observationId, Integer tokenId) {
         template.update(DELETE_TOKEN, studyId, observationId, tokenId);
     }
 
+    public Optional<EndpointToken> updateToken(Long studyId, Integer observationId, Integer tokenId, String tokenLabel) {
+        try {
+            namedTemplate.update(UPDATE_TOKEN,
+                    new MapSqlParameterSource()
+                            .addValue("study_id", studyId)
+                            .addValue("observation_id", observationId)
+                            .addValue("token_id", tokenId)
+                            .addValue("token_label", tokenLabel)
+                            );
+            return getById(studyId, observationId, tokenId);
+        } catch (EmptyResultDataAccessException e) {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<EndpointToken> getById(long studyId, int observationId, int tokenId) {
+        return Optional.ofNullable(template.queryForObject(GET_TOKEN_BY_IDS, getHiddenTokenRowMapper(), studyId, observationId, tokenId));
+    }
+
     private static RowMapper<EndpointToken> getHiddenTokenRowMapper() {
         return (rs, rowNum) -> new EndpointToken(
                 rs.getInt("token_id"),
diff --git a/studymanager/src/main/java/io/redlink/more/studymanager/service/IntegrationService.java b/studymanager/src/main/java/io/redlink/more/studymanager/service/IntegrationService.java
index d1da3f4e..d33ee6ad 100644
--- a/studymanager/src/main/java/io/redlink/more/studymanager/service/IntegrationService.java
+++ b/studymanager/src/main/java/io/redlink/more/studymanager/service/IntegrationService.java
@@ -70,6 +70,11 @@ public void deleteToken(Long studyId, Integer observationId, Integer tokenId) {
         repository.deleteToken(studyId, observationId, tokenId);
     }
 
+    public Optional<EndpointToken> updateToken(Long studyId, Integer observationId, Integer tokenId, String tokenLabel) {
+        studyStateService.assertStudyNotInState(studyId, Study.Status.CLOSED);
+        return repository.updateToken(studyId, observationId, tokenId, tokenLabel);
+    }
+
     public void alignIntegrationsWithStudyState(Study study) {
         if(study.getStudyState() == Study.Status.CLOSED) {
             repository.clearForStudyId(study.getStudyId());
diff --git a/studymanager/src/main/resources/openapi/StudyManagerAPI.yaml b/studymanager/src/main/resources/openapi/StudyManagerAPI.yaml
index dde2c28a..5840ff89 100644
--- a/studymanager/src/main/resources/openapi/StudyManagerAPI.yaml
+++ b/studymanager/src/main/resources/openapi/StudyManagerAPI.yaml
@@ -789,6 +789,33 @@ paths:
         '404':
           description: not found
 
+    put:
+      tags:
+        - observations
+      description: Update label from observation endpoint token
+      operationId: updateTokenLabel
+      parameters:
+        - $ref: '#/components/parameters/StudyId'
+        - $ref: '#/components/parameters/ObservationId'
+        - $ref: '#/components/parameters/TokenId'
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/TokenLabel'
+      responses:
+        '200':
+          description: Token label successfully updated
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/EndpointToken'
+
+        '400':
+          description: could not update observation
+        '404':
+          description: not found
 
     delete:
       tags: