diff --git a/Makefile b/Makefile
index dce0331..704ce00 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ export DSE_CLIB_VERSION ?= 1.0.18
 
 ###############
 ## DSE Model C Library
-export DSE_MODELC_VERSION ?= 2.1.0
+export DSE_MODELC_VERSION ?= 2.1.1
 
 
 ###############
diff --git a/tests/testscript/e2e/fmimodelc_network_fmu.txtar b/tests/testscript/e2e/fmimodelc_network_fmu.txtar
index 1f5f246..1a71c47 100644
--- a/tests/testscript/e2e/fmimodelc_network_fmu.txtar
+++ b/tests/testscript/e2e/fmimodelc_network_fmu.txtar
@@ -37,6 +37,7 @@ stdout 'Importer:   \[9\] F8u:'
 SIMER="${SIMER:-ghcr.io/boschglobal/dse-simer:latest}"
 docker run --name simer -i --rm \
     -v $ENTRYDIR/$SIM:/sim \
+    --env SIMBUS_LOGLEVEL=4 \
     --entrypoint="" $SIMER \
     bash -c "cd fmu; valgrind -q --leak-check=yes --error-exitcode=808 \
         ../bin/fmi2importer lib/linux-amd64/libfmi2modelcfmu.so"