> BiocManager::valid()

* sessionInfo()

R version 3.4.1 (2017-06-30)
Platform: x86_64-redhat-linux-gnu (64-bit)
Running under: Red Hat Enterprise Linux

Matrix products: default
BLAS/LAPACK: /usr/lib64/R/lib/libRblas.so

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats4    parallel  stats     graphics  grDevices utils     datasets
[8] methods   base

other attached packages:
 [1] bsseq_1.14.0               SummarizedExperiment_1.8.1
 [3] DelayedArray_0.4.1         matrixStats_0.55.0
 [5] Biobase_2.38.0             GenomicRanges_1.30.3
 [7] GenomeInfoDb_1.14.0        IRanges_2.12.0
 [9] S4Vectors_0.16.0           BiocGenerics_0.24.0

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.3             XVector_0.18.0         zlibbioc_1.24.0
 [4] munsell_0.5.0          colorspace_1.4-1       lattice_0.20-35
 [7] R6_2.4.1               rlang_0.4.5            tools_3.4.1
[10] grid_3.4.1             data.table_1.12.8      R.oo_1.23.0
[13] gtools_3.8.1           permute_0.9-5          lifecycle_0.2.0
[16] Matrix_1.2-10          GenomeInfoDbData_1.0.0 BiocManager_1.30.10
[19] R.utils_2.9.2          bitops_1.0-6           RCurl_1.95-4.12
[22] limma_3.34.9           compiler_3.4.1         R.methodsS3_1.8.0
[25] scales_1.1.0           locfit_1.5-9.1

Bioconductor version '3.6'

  * 5 packages out-of-date
  * 0 packages too new

create a valid installation with

  BiocManager::install(c(
    "digest", "glue", "matrixStats", "RCurl", "XML"
  ), update = TRUE, ask = FALSE)

more details: BiocManager::valid()$too_new, BiocManager::valid()$out_of_date

Warning message:
5 packages out-of-date; 0 packages too new