diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServerv6.1.0 b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
similarity index 71%
rename from slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServerv6.1.0
rename to slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index b9c337470..0fda9be86 100755
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diff --git a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServerv6.1.0 b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer
similarity index 99%
rename from slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServerv6.1.0
rename to slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer
index d5d003d43..a25b92f5a 100755
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diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServerv6.1.0 b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
similarity index 81%
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rename to slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 36770afb4..ffce1fc3b 100755
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diff --git a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServerv6.1.0 b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer
similarity index 59%
rename from slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServerv6.1.0
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index 1c29c3c82..ece472556 100755
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diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServerv6.1.0 b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
similarity index 72%
rename from slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServerv6.1.0
rename to slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index e2149942d..b799aed11 100755
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diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServerv6.1.0 b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
similarity index 71%
rename from slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServerv6.1.0
rename to slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index 5be4f4fb3..dea99d859 100755
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diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServerv6.1.0 b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
similarity index 82%
rename from slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServerv6.1.0
rename to slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 7cc0626ef..548e40186 100755
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diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index 9194adae6..65b1ec8ef 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -1,15 +1,15 @@
 // SPDX-License-Identifier: LGPL-3.0-or-other
 // Copyright (C) 2021 Contributors to the SLS Detector Package
 /** API versions */
-#define GITBRANCH "6.1.0"
+#define GITBRANCH "developer"
 
 #define APILIB 0x211125
-#define APIRECEIVER 0x211125
-#define APIGUI 0x211125
-#define APICTB 0x211125
-#define APIGOTTHARD 0x211125
-#define APIGOTTHARD2 0x211125
-#define APIJUNGFRAU 0x211125
-#define APIMYTHEN3 0x211125
-#define APIMOENCH 0x211124
-#define APIEIGER 0x211125
+#define APIRECEIVER 0x211124
+#define APIGUI 0x211124
+#define APICTB 0x211126
+#define APIGOTTHARD 0x211126
+#define APIGOTTHARD2 0x211126
+#define APIJUNGFRAU 0x211126
+#define APIMYTHEN3 0x211126
+#define APIMOENCH 0x211125
+#define APIEIGER 0x211126