diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0cf1c045..b547f248 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,7 +39,7 @@ clang:asan:
   variables:
     CONFIG: "--without-python"
     CC: clang
-    CFLAGS: "-O2 -g -fno-omit-frame-pointer -fsanitize=address,undefined,unsigned-integer-overflow,implicit-conversion -fno-sanitize-recover=all -Wno-error=cast-align"
+    CFLAGS: "-O2 -g -fno-omit-frame-pointer -fsanitize=address,undefined,integer -fno-sanitize-recover=all -Wno-error=cast-align"
     UBSAN_OPTIONS: "print_stacktrace=1"
     ASAN_SYMBOLIZER_PATH: "$CI_PROJECT_DIR/.gitlab-ci/llvm-symbolizer"
 
diff --git a/dict.c b/dict.c
index 13353872..86c3f6d7 100644
--- a/dict.c
+++ b/dict.c
@@ -354,6 +354,7 @@ found_pool:
 
 #ifdef __clang__
 ATTRIBUTE_NO_SANITIZE("unsigned-integer-overflow")
+ATTRIBUTE_NO_SANITIZE("unsigned-shift-base")
 #endif
 static uint32_t
 xmlDictComputeBigKey(const xmlChar* data, int namelen, int seed) {
@@ -389,6 +390,7 @@ xmlDictComputeBigKey(const xmlChar* data, int namelen, int seed) {
  */
 #ifdef __clang__
 ATTRIBUTE_NO_SANITIZE("unsigned-integer-overflow")
+ATTRIBUTE_NO_SANITIZE("unsigned-shift-base")
 #endif
 static unsigned long
 xmlDictComputeBigQKey(const xmlChar *prefix, int plen,
diff --git a/hash.c b/hash.c
index a6ed9bf8..479ff467 100644
--- a/hash.c
+++ b/hash.c
@@ -78,6 +78,7 @@ struct _xmlHashTable {
  */
 #ifdef __clang__
 ATTRIBUTE_NO_SANITIZE("unsigned-integer-overflow")
+ATTRIBUTE_NO_SANITIZE("unsigned-shift-base")
 #endif
 static unsigned long
 xmlHashComputeKey(xmlHashTablePtr table, const xmlChar *name,
@@ -111,6 +112,7 @@ xmlHashComputeKey(xmlHashTablePtr table, const xmlChar *name,
 
 #ifdef __clang__
 ATTRIBUTE_NO_SANITIZE("unsigned-integer-overflow")
+ATTRIBUTE_NO_SANITIZE("unsigned-shift-base")
 #endif
 static unsigned long
 xmlHashComputeQKey(xmlHashTablePtr table,