diff --git a/conanfile.txt b/conanfile.txt
index ba30cd2..70b6e5e 100644
--- a/conanfile.txt
+++ b/conanfile.txt
@@ -1,13 +1,10 @@
 [requires]
-    gsl_microsoft/20180102@bincrafters/stable
     fmt/6.1.2
-#    SystemC/2.3.3@minres/stable
-#    SystemCVerification/2.0.1@minres/stable
-#    SystemC-CCI/1.0.0@minres/stable
-    tcc/0.9.27@minres/stable
-    boost/1.71.0@conan/stable
-	zlib/1.2.11
-	elfio/3.4@minres/stable
+    zlib/1.2.11
+    boost/1.71.0
+    gsl-lite/0.37.0
+	elfio/3.8
+    tcc/0.9.27
 	
 [generators]
     cmake
@@ -18,9 +15,3 @@
     boost:shared=False
     boost:header_only=False
     fmt:header_only=True
-#    SystemC:stdcxx=11
-#    SystemC:shared=True
-#    SystemCVerification:stdcxx=11
-#    SystemCVerification:shared=True
-#    SystemC-CCI:stdcxx=11
-#    SystemC-CCI:shared=True