diff --git a/package_builder/requirements.txt b/package_builder/requirements.txt
index 8f00e60..0fcbc0b 100644
--- a/package_builder/requirements.txt
+++ b/package_builder/requirements.txt
@@ -54,14 +54,16 @@ prompt-toolkit
 protobuf
 psutil
 py4j  # Only needed here for script generator
-pyasn1==0.6.0
+pyasn1
 pygments
 pyhamcrest
 pyopengl
 pyparsing
 pyright
 pyserial
-pysnmp-lextudio==5.0.34
+pysnmp
+git+https://github.com/FreddieAkeroyd/pysnmp-sync-adapter@FreddieAkeroyd-patch-1
+pysmi
 python-dateutil
 python-redmine
 pytz
@@ -82,7 +84,7 @@ simplegeneric
 singledispatch
 smartypants
 smmap2
-snmpsim-lextudio==1.0.5  
+snmpsim
 stomp.py
 telnetlib3
 toml  # Required for NICOS